Saturday, January 28, 2012

Zoonotic Diseases caused by your Pet's Worms

A zoonotic disease, loosely defined, is a disease that can be transmitted from
an animal to a human. These diseases can be transmitted by direct contact, by vectors
or by the consumption of animals and/or animal products.

While many animal diseases are zoonotic, we are going to
highlight some of the more common ones caused by worms.

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A) Hookworm (Ancylostoma caninum)

Zoonotic Diseases caused by your Pet's Worms

These are distributed worldwide and are
found wherever dogs live.

In dogs they can cause anaemia(bloodloss), weight loss, loss of appetite,
poor growth,bloody stools, coughing and localised skin inflammation,
especially of the feet, legs and abdomen.

In humans they are responsible for a condition known as Cutaneous Larval Migrans.
The migration of the larval stages causes localised skin inflammation,
especially in the lower leg region

Preventative measures include:

1) Regular removal of dog faeces from the environment and avoiding contact
with dog faeces and soil contaminated with dog faeces.

2) Disinfection of Kennels etc

3) Regular Deworming (pets and people!)

4) Basic Hygiene - washing hands after playing with dogs, before meals etc.

B) Roundworm (Toxocara canis) are also distributed worldwide.

Usually only dogs up to about 8 months old are infected.
Symptoms include poor growth, weight loss, pot bellied appearance, coughing, occasional
vomiting, slimey diarrhoea with worms sometimes visible.

In humans they are responsible for a condition known as Visceral larval Migrans. The larvae
migrate through the body and the symptoms experienced by the person depend on where the
larvae end up in the body.Common symptoms include a fever, muscle pains, coughing, loss
of appetite, blindness (usually only one eye) etc.

Prevention is the same as for hookworm.

C) Toxoplasmosis

Toxoplasmosis is one of the best known of the zoonotic diseases that involve pets
and is the disease that leads many pregnant women to (unfairly) toss the pet cat
out the door!

Although cats play a major role in the life cycle of Toxopllasma gondii, the causative organism,
humans can in fact become infected 3 different ways, only one of which is direct contact
with cat faeces.In fact, cat ownership is not a big factor for human infection with Toxoplasma.

The three ways that humans can become infected:

1) Eating undercooked meat

This is THE major route of infection for humans, NOT contact with cat faeces.
In one study , up to 60% of infections were as the result of the consumption of undercooked
meat.

2) Transplacental Infection

The foetus is infected while still in the uterus. This infection is the result
of the mother becoming infected during pregnancy.

3) Ingestion of the organism shed in cat faeces.

Preventative measures thus involve cooking meat properly, wearing gloves when gardening,
washing hands and utensils after working with raw meat and cleaning litter trays out daily.

Zoonotic diseases are a real threat to humans, but in most cases a little common sense and basic
hygiene practices will prevent you becoming infected with any of these diseases.

Zoonotic Diseases caused by your Pet's Worms

Tuesday, January 17, 2012

Headaches and High Blood Pressure

Just because you get a headache doesn't mean that you have high blood pressure. Headaches CAN be an indication of very high blood pressure, but more often that not, a headache is just a headache. Take an aspirin or a Tylenol and move on. Hypertension isn't called "the silent killer" for no reason. There are no symptoms that you or anybody else would recognize as symptoms of high blood pressure.

If you or someone you love is having a SEVERE headache, blurred vision, and nausea all at the same time, you should without any hesitation, get to a doctor or an emergency room. Those symptoms could indicate a blood pressure that is high enough to cause a heart attack or a stroke, or worse.

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However, most people discover that their blood pressure is elevated in one of two ways: (1) they go to their doctor for some other problem and the nurse finds the readings high. He or she reports the finding to the doctor, who then reports the finding to the patient; or (2) they wake up in the emergency room after they have had a heart attack or a stroke without having experienced any symptoms at all.

Headaches and High Blood Pressure

Readings that are 140 (systolic) and 90 (diastolic) indicates hypertension. Now, just having ONE reading at that level is NOT an indication that you have hypertension. Blood pressure fluctuates all the time. Immediately after you have done strenuous exercise, your blood pressure will be higher. If you are suddenly stressed or frightened, your blood pressure will rise.

However, several readings at various times that are consistently as high as 140/90 or higher do indicate that you have high blood pressure -- with or without a headache.

Headaches and High Blood Pressure

Saturday, January 14, 2012

Mood Control - Food, Neurotransmitters And Reclaiming Your Calm

You and I know that we can't always control what happens in our lives, but we can control how we respond to them. What happens however when your having a bad week, your peri-menopausal or pre-menstrual? Well science might have an answer.

Let me introduce you to the world of brain chemistry and a powerful group of natural chemicals in the brain called neurotransmitters. The communication network in your brain is a multi-trillion maze of connections capable of performing 20 million-billion calculations per second. Yes, I did say 20 billion!

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How does this intricate network operate? Well there are three major players:

Mood Control - Food, Neurotransmitters And Reclaiming Your Calm

Neurons, which power the message, Neurotransmitters, which create the message and Receptors, which receive the message.

In simple words, a neurotransmitter is a chemical messenger released from one nerve cell which finds its way to another nerve cell where it influences a particular chemical reaction to occur. Neurotransmitters control major body functions including movement, emotional response, and our physical ability to experience pleasure and pain.

Neurotransmitters also set in motion specific functions within our body and our nervous system. These transmitters can create and control a range of feelings, moods and even thoughts - everything from depression, anxiety and addiction, to feelings of self-confidence, to high or low self-esteem, the competitive spirit and can even affect our deep sleep.

A neurotransmitter imbalance can cause Depression, anxiety, panic attacks, insomnia, irritable bowel, hormone dysfunction, eating disorders, Fibromyalgia, obsessions, compulsions, adrenal dysfunction, chronic pain, migraine headaches, and even early death. Scientific and medical research indicates that our brains use more than 35 different neurotransmitters, some of these we can control and some we can't.

It appears, however, that we can control five of the major neurotransmitters with exercise and nutrition, and with our thoughts and behaviours.

Most neurotransmitters are made from amino acids obtained from the protein in food you consume. Two of the most important neurotransmitters are serotonin and dopamine, sometimes called the 'happy' drugs. They seem to play a leading role in determining our moods and thoughts.

Dopamine, fuel for enthusiasm and motivation

The brain uses dopamine to stimulate arousal, alertness, awareness and our competitive spirit (a form of mild aggression). Dopamine is also essential for coordinated muscle movement.

Dopamine is the neurotransmitter needed for healthy assertiveness and sexual arousal, proper immune and autonomic nervous system function. Dopamine is important for motivation and a sense of readiness to meet life's challenges.

One of the most vulnerable key neurotransmitters, dopamine levels are depleted by stress or poor sleep. Alcohol, caffeine, and sugar also seem to diminish dopamine activity in the brain. It's easily oxidized, therefore we need to eat plenty of fruits and vegetables whose antioxidants help protect dopamine-using neurons from free radical damage.

Dopamine is made from the amino acid tyrosine. Once produced, dopamine can, in turn, convert into the brain chemicals norepinephrine and epinephrine.

Low levels of dopamine can cause depression, a lack of energy, an excessive need for sleep, and can even make you withdraw from everyday events, such as going to work or wanting to be with people.

Dopamine is a building block for the production of adrenaline, which stimulates us into action if we are frightened or anxious. These natural drugs are also necessary for us to be competitive, especially in highly- competitive sports, business and corporate life.

Boost your alertness with protein. Without going into the detailed chemistry of the brain, small amounts (100-to-150 grams) of protein-rich food will elevate dopamine levels and have significant effects on your moods and brain functions. The effects can be felt within 10-to-30 minutes. Protein foods are broken down into their amino acid building blocks during digestion. One amino acid, called tyrosine, will increase the production of dopamine, nor epinephrine and epinephrine. These neurotransmitters are known for their ability to increase levels of alertness and energy. No one eats pure tyrosine, but eating foods high in protein will give you a slight mental boost. High protein foods include fish, poultry, meat, and eggs. If you can't eat those, try high protein foods that also contain significant amount of carbohydrates, such as legumes, cheese, milk, or tofu.

Many of us eat a high carbohydrate breakfast as cereals have become the common form of morning meal. One of my friends is a highly respected bio-pharmacist and it is his opinion that breakfast is the time of day for eating a high protein meal.

Serotonin, reclaiming your calm

Serotonin is the calming neurotransmitter important to the maintenance of good mood, feelings of contentment and is responsible for normal sleep. In addition to the central nervous system, serotonin is also found in the walls of the intestine (the enteric nervous system) and in platelet cells that promote blood clotting.

Serotonin plays an important role in regulating memory, learning, and blood pressure, as well as appetite and body temperature. Low serotonin levels produce insomnia and depression, aggressive behavior, increased sensitivity to pain, and is associated with obsessive-compulsive eating disorders.

This neurotransmitter also helps the brain focus, heightening your concentration levels.

Low levels of serotonin can create anxiety, a feeling of insecurity, anger, fear, depression, and can even induce suicidal thoughts. Now have you ever wondered why you eat more in winter? It has a lot to do with your level of serotonin, or your lack of it and a condition called appropriately enough S.A.D. or Seasonal Affected Disorder.

With the lack of sunlight in winter, the body produces higher levels of a hormone called melatonin, which consumes your serotonin. Research has shown that when this happens, the body craves carbohydrates, which produce serotonin and makes us feel good. This is when we crave those comfort foods such as biscuits, pizza or chocolate!

Eating carbohydrates will trigger the release of insulin into the blood stream. Insulin goes about clearing all the amino acids out of the blood, with the exception of tryptophan. Tryptophan is an amino acid that normally gets crowded out by other amino acids in its attempt to cross the blood brain barrier, but when its competitors are out of the way, it enters the brain. Once in the brain, the tryptophan is converted to serotonin. Serotonin is a neurotransmitter that has the effect of reducing pain, decreasing appetite, and producing a sense of calm, and in too large a quantity, inducing sleep. Research has shown that dieters tend to become depressed about two weeks into a diet, about the time their serotonin levels have dropped due to decreased carbohydrate intake.

In summer sunlight reduces your production of melatonin, the serotonin eater and therefore it is easier to diet in summer. Summer makes us feel great and this theory could explain why people head for the sun during winter.

This gave me a clue as to why I became a carbohydrate addict - the more carbohydrates I ate the more serotonin I produced and like any drug addict I craved more and more carbs to get a higher and higher kick of the 'feel goods'. The result was that I became fat, even though I went to the gym four or five times a week! My energy levels dropped, I was constantly tired and became extremely difficult to live with. I didn't want to go to the gym. I was overdosing on carbohydrates which leads to a another hormonal disorder called insulin resistance.

Serotonin is synthesized from tryptophan in the presence of adequate vitamins B1, B3, B6, and folic acid. The best food sources of tryptophan include brown rice, cottage cheese, meat, peanuts, and sesame seeds. Choline is another B complex vitamin that that is concentrated in high cholesterol foods like eggs and liver. A lack of choline can cause impairment of memory and concentration. Choline is a precursor to the brain neurotransmitter, acetylcholine. Acetylcholine is linked to memory. People given drugs that block acetylcholine flunk memory tests. Low levels of acetylcholine have been linked to Alzheimer's disease and poor memory. What a good excuse to put eggs back on your diet plan!

How You Can Control the Natural 'happy drugs'.

Being balanced is the answer, not too much or too little of anything. Excessive protein or carbohydrates over time will eventually have side effects that will affect how you feel and behave at work and at home.

Eating certain food and exercising at the right level, at the right time for your lifestyle is a keystone to controlling your moods and generating feelings of happiness and relaxation.

If you are a professional athlete, you require a different approach to control your neurotransmitters to a teacher, a taxi driver or a CEO. Also, every person's body chemistry is different and needs to be taken into account. I recommend you consult a nutritionist who understands how food and neurotransmitters work to meet your health needs and lifestyle.

There's a lot more to brain chemistry, mood control and peak performance, but that's food for another article.

QUICK TIP

Small amounts (100-to-150g) of protein-rich food will elevate dopamine levels and have significant effects on your moods and brain functions. That's why many nutritionists recommend a little protein with your breakfast. It boosts your energy and gives you that rush to seize the day.

A List of Ways to Control Neurotransmitters

Aerobic exercise and dopamine levels

If you need to temporarily reduce your levels of dopamine to relax, non-competitive (why non-competitive? competition raises levels of dopamine) aerobic exercise could help such as:

Exercise and serotonin

To control the Serotonin you need less vigorous exercise such as:

Strolling in the park or along your favourite beach. Gentle cycling along a river bank or flat bike paths. Stretching exercises. Gentle Yoga. Reading. Listening to music. Meditation and even prayer (The best type of prayer to control serotonin levels is a prayer of gratitude).

Mood Control - Food, Neurotransmitters And Reclaiming Your Calm

Thursday, January 12, 2012

After Exercise Headache - More Serious Than You Think?

It's surprisingly common - you're exercising, everything's fine, and then POW - a headache strikes! Or, sometimes, a headache hits while you're exercising. Is it just a minor annoyance? Or could it be a signal that something serious is going on? Should you go to the doctor, or just shrug it off?

If you already suffer from headaches or migraine, it may just be that your exercise is starting the headache chain-reaction. In that case, it's important to look at the overall picture and make sure you're getting the treatment you need for headaches. Your doctor may recommend a pain killer to take just before you exercise, to stop the pain before it starts. In the case of migraine, this is called an "effort migraine", and it's very common. A throbbing headache in the back of your head may be an "exertion headache", which again usually requires some pain killers and is not serious.

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But after exercise headache can be a warning that something serious is going on. As a general rule of thumb, if you get a new headache after you exercise, you should see a doctor right away. Any sudden change when it comes to headache could be a sign of something serious, so don't wait.

After Exercise Headache - More Serious Than You Think?

Some of the more serious headaches have to do with the blood vessels in the head. A headache after exercise could indicate an abnormality in the blood vessels themselves, or could warn you of a brain hemorrhage (or haemorrhage) (blood flow when blood vessels break).

If you're exercising in the heat and begin to have sore muscles, difficulty breathing, and dizziness along with headache, you could be experiencing early signs of heat exhaustion or heat stroke. You'll soon be past helping yourself, but friends will need to make sure your body is cooled off quickly.

Of course, everyone is afraid of brain tumours. Tumours (tumors) are very rare, so don't panic at the first sign of headache. Unlike typical headaches, these generally get worse over the course of several weeks, and are usually worse in the morning. They get worse when you exercise, and almost always include other symptoms, such as blurred vision, unsteadiness or weakness. Again, if you get a new headache, see your doctor right away. You want to catch these things as early as possible.

Here are some other things that may tip you off that your exercise headache is very serious:

- You have injured your head in the past

- You experience paralysis or a tingling sensation

- Your neck is stiff

- You're waking up at night with pain

- The headache isn't going away

- You're experiencing other symptoms elsewhere

- Any other change in symptoms

Remember, even if you have other symptoms, it may not be an immediate problem. But it's worth it to talk to your doctor and remove all doubt. Even if it's not a sign of another disease, dealing with the pain will help you benefit more from exercise and your relaxing time too. Your health is worth it!

After Exercise Headache - More Serious Than You Think?

Saturday, January 7, 2012

7 Things You Should Know About Optical Migraines

Sometime in our lives, we experience headaches that come and go and are often so severe that our daily routines are affected. Oftentimes, when these headaches occur, we also experience some form of visual changes. Then we say, "It's probably just a migraine."

1. What is a migraine?

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Migraine is a recurrent type of headache that is severely painful and usually occurs only on one side of the head. An aura occurs right before one of these attacks. An aura could be manifested as visual flashes or spots or even ringing in the ears which is opposite of the side where the headache is about to occur. The migraine attack may also come with symptoms of dizziness, vomiting, nausea and double vision.

7 Things You Should Know About Optical Migraines

2. What is an optical migraine?

As opposed to a real migraine, an optical migraine also involves an aura that comes before a migraine attack, but there is the absence of pain. This is rarer than the migraine that comes with severe pain. It is also know as acephalgic migraine or visual or ocular migraine. It is a migraine aura unaccompanied by headache.

The visual disturbances that are experienced are flashing lights that look like zigzag or "fortress-like" lights. These auras usually begin as small visual marches crossing the field of vision that slowly fades away. Attacks like these last for several minutes to almost an hour.

If it will come with a headache, the pain will follow in an hour. An optical migraine can also be experienced as a blind spot in the field of vision.

3. How sure am I that I am experiencing an optical migraine?

Migraines are usually diagnosed if the same symptoms are experiences over and over in many years. It is optical migraine if the same aura is experienced. In case there is a change in the visual pattern, it might be something more serious. A doctor should be consulted in this case.

4. What could be the cause of these migraines?

The cause for migraine is not yet confirmed, it has remained unknown. However, there have been theories that these headaches are caused by allergies, temporary edema of the brain and even endocrine disturbances. One thing is for sure, it is due to disturbance in the blood circulation in the brain. It has been proven that the pain is associated with the narrowing of blood vessels in the brain followed by dilation.

5. What could be more serious causes of headaches if they are not migraines?

Not all headaches are migraines and not all visual disturbances are caused by migraines. There could be more serious causes that may force you to consult a doctor. Visual changes can also be caused by partial seizures, a retina in the eye could have been detached, a "mini-stroke" or a transient ischemic attack, multiple sclerosis or even a brain tumor.

6. Who is more likely to get an optical migraine?

Optical migraines are usually experienced by more women than men at a ratio of 3:1. This is an illness that is usually inherited.

7. What is the common treatment for optical migraines?

Sedatives and aspirin are common medications prescribed to patients with this illness. Resting or sleeping in a dark room usually relieves the symptoms. However, if the aural migraine is accompanied by severe headache, injection of triptans or ingestion or nasal spraying of the same drug gives relief. Beta-blockers, antidepressants and antiepileptic drugs are also effective for most patients.

It is important to recognize the aura that comes before the headache so that medication can be taken before the actual attack. This will prevent the pain from setting in. Biofeedback has been proven to be a good type of therapy for patients who get these attacks.

Having all these in mind, you would now know if you are experiencing an ordinary headache or a true-blue migraine. Now, you could also determine if those weird visual disturbances are auras previous to a migraine attack or if it is an optical migraine.

What is important here is for you to recognize the symptoms that go with the headache. Observation is the key. You must recognize the tell-tale sign that you are about to get a full-blown attack of a migraine or if you should seek medical help because it is a sign of something more serious. Never take these headaches for granted, they could mean your life.

7 Things You Should Know About Optical Migraines

Tuesday, January 3, 2012

Migraine Headache in the Eye

Migraine headache in eyes is a form of migraine that the patients suffer from total and sudden loss of their physical sensations. The eye headache numbness is prickling and tingling feeling, which could be caused by many triggers. It is a symptom of many ailment, disorders and other disease. Loss of sensation can cause accident or injury.

You are about to have eye headache when you feel a numbness in the following:

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1- Tongue

Migraine Headache in the Eye

2- Arms

3- Hands

4- Face

These are the initial symptoms of the eye headache attacks. There are 3 types of this headache:

1- Silent migraine

2- Ocular migraine

3- Complex migraine

The ocular type

It is the case wherein the vision ability of your eyes is becoming distorted and blurred.

The silent type

It is the case of having a migraine without any numbness symptoms, and you will feel normal.

The complex type

It is the partial loss of your feeling

The best cure to overcome and get rid of the eye migraine symptoms is avoiding the reasons. You have to follow good measures.

The most effective method in treating eye migraine headache is by determine the reasons that trigger it to happen. By knowing these reasons you may identify the suitable treatment which cure it. The most common reasons which server as eye migraine headache triggers are: hormonal variations, lack of sleep and rest, stressful activities, exposure to harmful sun rays and bright lights, weather conditions and climate changes, eating disorders, hunger, loss of appetite, frequent physical exertions and certain foods such as:

1- Sulfate rich wines

2- Processes meats

3- Dairies

4- Soy products

5- Caffeine

Migraine Headache in the Eye

 
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