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A month before (or even earlier) a heart attack, your body may warn you with 8 crucial symptoms.

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EgKG0 TIL of the Higg's Bison, a hypothetical Bison species proposed based on unexpected gene sequences in ancient bones and supported by changes in cave painting depictions of bison.
X0Mjk TIL Woodpeckers have two toes facing forward and two toes facing backward to help them cling to trees. They’re called zygodactile feet.
npNo TIL Former U.S President Jimmy Carter helped to reduce the Guinea Worm Disease cases from 3.5 million to 126. This disease is now at the brink of extinction.
m4mo TIL Prescott Bush (Grandfather of George W.) was involved in a plot to overthrow the U.S. government and replace it with a fascist dictatorship in 1933.
LQ00p TIL The United States is the only nation where guns outnumber people. 120 guns per 100 people.