What are some important facts about heart disease?

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For LO i have to do a poster saying the dangers of heart disease! Dose anyone know the causes and the effects of heart disease? Any important facts!
The cause of heart disease are many, search heart disease risk factors, and you will find some are controllable (diet, body weight) while others are not (genetics) . Physiologically heart disease is the chronic narrowing of blood vessels due to hardening and/or thickening/and or inflammation of blood vessel walls, causing the heart to work harder.  (+ info)

What is coronary artery disease or hypertension?

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Why do people get hypertension and what is it.Also what is coronary artery disease ?
Artery is a plaque build-up in the arteries, causing the arteries to be less flexible and smaller inside than they would normally be. The arteries that bring blood back and forth to the heart have smaller openings in them than they normally would. When that happens, there is more pressure from the blood flowing through the arteries, so you can get high blood pressure from this. You can also get high blood pressure if your arteries are constricted from any other reason. Think of how water would flow through a hose. If you had a large hose with a large diameter, the water would flow gradually from the hose. If you put the same amount of water through a hose that is a lot smaller in diameter, the water would be under more pressure (you would see it spurting out faster and harder). Arteries that are larger in diameter make for lower blood pressure than arteries that have a smaller opening. If the doctor says it is O.K. try taking a multi-vitamin with high B vitamins in it, and then also eat lots of fresh fruits and vegetables along with something in your diet that gives you some calcium. Ask your doctor what he thinks about it.  (+ info)

How feasible is a disease that can be transmitted through TV signals?

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I am writing a short story in the genre of futuristic, sci-fi on the topic of pandemic for school. My idea for a disease is one that is transmitted through the electronic waves TVs use. Two questions: 1) What type of electronic waves do TVs use? 2) Is this feasible, or totally completely unbelievable to the point where you don't even think it's worth reading.
TV signals are not transmitted by light waves - if that were true, then you'd have to have a direct line of sight to the tv station - a simple shadow would block your signal.

TV signals are transmitted by radio frequency waves.

No, it is not at all believeable to transmit an infectious disease this way - it could not be done.

What you'd want is to cause some other problem - like epilepsy (seizures CAN be caused by rapidly blinking lights in susceptible individuals). perhaps some other mind control mechanism.

Unfortunately this has been done before - one of the Halloween sequels -- maybe number 3 - did exactly this, via TV waves. Check into that plot before writing your own story  (+ info)

When looking at the symptoms of a disease, how can a doctor determine whether it is bacterial or viral?

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In other words, what is the difference between how viral infections and bacterial infections affect the body? How are the symptoms between the two types of diseases different? After a doctor learns what symptoms a patient has, what further tests or examinations would he/she run to determine whether the disease is bacterial or viral?
In some cases it can be tough. But there are several ways to try & sort it out. First, what is going around? If a virus is spreading through the area, epidemiology suggests it is a virus. Furthermore, viral infections tend to cause a wide range of symptoms due to the way the virus attacks the body--fever, muscle aches, headache, rash, joint aches, etc all at once highly suggest a virus. Bacterial infections tend to be more localized--pneumonia causes respiratory symptoms primarily--not joint pain too. A bacterial infection that has spread so much to cause a lot of symptoms (called "sepsis") has the person very very ill. Viruses are also much more common than bacterial infections. Often time its a educated guess (that's why MDs spend so much time in school--you have to know alot about everything to discard causative agents to make an educated guess). They can do more tests (a Complete blood count, or CBC, will show more lymphs in a viral infection & more ploys in a bacterial). There are also antibody tests to specific causes. However, many times, its too expensive & not worth all the time & effort to make a definitive diagnosis. If you are going to get better anyway in 5-7 days, most people would not want to spend $500 or more to find out EXACTLY what they had. That's why you are told to return if not better in x days or suddenly get worse. Then the testing can be better utilized to find a source. Some tests would be xrays (chest etc); a spinal fluid exam, blood tests like the CBC or antibody tests, blood, urine, sputum cultures for bacteria, viral cultures, bronchial washings of the airways for tests, TB testing, there are many tests and as they become negative, more exotic & rare things are tested for. You always start with the most obvious & proceed to the rare.  (+ info)

What is a thyroid disease ?Can it be cured permanently or one is required to take medication life long?

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Is it a disease or a distubed gland condition which needs one time treatement or life long treatment? Can it be corrected for once and for ever with the modern day medicines? If not treated out of ignorance then what are the extreme harmful effects of the disease? Can any medical professional guide me about this disease as to help me approach the doctor to be guided properly to overcome the problem?
I know a few people with thyroid problems and it does require you to take a drug called "synthroid" for the rest of your life. It really isn't a big deal at all, hopefully you have an over-active thyroid in which case you won't have to worry about the side effect of weight gain as you do with an under active one. Your primary care doctor should be able to feel if your thyroid is enlarged at the base of your neck, he may or may not refer you to a specialist, depends on your doctor, some primary care doctors can treat the condition. It's really nothing life threatening and shouldn't really effect much except possible weight gain or loss, being very tired all the time and other minor problems. Good luck and call your doctor, again, it's not much to worry about :)  (+ info)

Can you get mad cow disease from eating just one piece of infected meat?

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Is one piece of infected meat all it takes for you to get mad cow disease? I mean, do you need to eat a large amount, or is just one teeny slice enough to doom your future to death?
It depends on how much the cow was affected.  (+ info)

What's the relationship between sickle cell disease and the sickle cell disease?

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Also, why does a fever accompany the sickle cell disease?
Sorry, the title of the question should be What's the relationship between sickle cell disease and gallstones. :) thanks.
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What percentage of Coronary artery disease patients are female?

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I'm just wondering what the male to female ratio is among patients with Coronary artery disease is. If you could tell me where you got the information from I'd really appreciate it. Thank you.
After attaining the stage of menopause the percentage of CAD cases in males and females is almost equal. Before the menopause the incidence of the coronary artery disease (CAD) in females is very low due to the estrogen and other feminizing hormonal effect.  (+ info)

What are the treatments for Blount's disease other than surgery?

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I have a 10 yr. old daughter with Blount's disease, and we would prefer to use natural methods to cure her and straighten her legs. I would also like to know some case histories of children like her, i.e. in her age group with Blount's Disease, who have been treated using natural remedies and cured.
http://www.ask.com/web?q=non-surgical+intervention+for+Blount%27s+disease&qsrc=0&o=0  (+ info)

What's the difference between an endemic disease and an epidemic disease?

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And can a disease be classified as both
Please explain your answer and give some examples.
An endemic disease is one that is continuously present in the population, often because there is a non-human reservoir for the microbe that causes it. Examples would be malaria (in tropical countries) or histoplasmosis (in America).
An epidemic disease is one that spreads in a sudden, massive surge within a population that is largely without immune protection. An obvious example is influenza, that tends to cause epidemics each time a new virus strain emerges.
An example of a disease that maybe endemic or epidemic is cholera - it can be endemic locally in areas with poor sanitation but can spread violently if sanitation breaks down in disaster areas.  (+ info)

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