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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.