|
|
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.