|
|
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
![Open-top chambers, such as the one pictured above in a polar desert on Ellesmere Island, are commonl](https://biology-forums.com/gallery/47/medium_33_17_02_12_7_03_54_2045199.jpeg)
![Necator americanus. The cutting plates around the mouth are used to tear open blood vessels of the ...](https://biology-forums.com/gallery/30/medium_548020_08_06_17_10_52_37_306931434.jpeg)