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There are more nerve cells in one human brain than there are stars in the Milky Way.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.