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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
There are more nerve cells in one human brain than there are stars in the Milky Way.