ZOEY.B- ATHEROSCLEROSIS

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Discipline:
Science
Subject:
Biology
Grade:
11

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ZOEY.B- ATHEROSCLEROSIS

Atherosclerosis is progressive, but it's also preventable. For example, nine risk factors are to blame for upwards of 90% of all heart attacks:- Smoking- High cholesterol- High blood pressure- Diabetes- Abdominal obesity ("spare tire")- Stress- Not eating fruits and vegetables-Excess alcohol intake (more than one drink for women, one or two drinks for men, per day)- Not exercising regularly

Treatment?

Atherosclerosis is a condition in which blood vessel walls thicken as a result of a build-up of fatty materials, such as cholestrol. Over time these fats accumulate, causing fatty plaques to form, a condition commonly referred to as 'hardening' of the blood vessels.

It is difficult to treat in finding ways to detect the disease early are critical. At present many projects are focusing upon a chemical process known as oxidation, which may be important in the development of atherosclerosis and the possible use of antioxidents as protective therapeudics. Once a blockage has developed, it's generally there to stay. With medication and lifestyle changes, though, plaques may slow or stop growing. They may even shrink slightly with aggressive treatment.

Risk Factor?

Atherosclerosis is usually undetected until the disease is in an advanced state. In some cases the first symptoms is a heart attack or stroke.

Who gets it/stats?

Atherosclerosis starts early. In autopsies of young American soldiers killed in action in the Korean and Vietnam wars, half to three-quarters had early forms of atherosclerosis.Even today, a large number of asymptomatic young people have evidence of atherosclerosis. A 2001 study of 262 apparently healthy people's hearts may surprise you:52% had some atherosclerosis.Atherosclerosis was present in 85% of those older than 50.17% of teenagers had atherosclerosis.No one had symptoms, and very few had severe narrowings in any arteries. This was very early disease, detectable only by special tests.If you are 40 and generally healthy, you have about a 50% chance of developing serious atherosclerosis in your lifetime. The risk goes up as you get older. The majority of adults older than 60 have some atherosclerosis but often do not have noticeable symptoms.There is good news. Rates of death from atherosclerosis have fallen by 25% since 30 years ago. This is thanks to both better lifestyles and improved treatments.

ATHEROSCLEROSIS

Atherosclerosis Prevention

What is it/cause?

VIDEO


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