Tortoises in the Mojave Desert store up to 1/3 of their body weight in urine. When they need water, the water in their urine flows back into their bodies while the waste remains and expels.

Three years after a person quits smoking, there chance of having a heart attack is the same as someone who has never smoked before.

The eight most popular foods to cause food allergies are: milk, eggs, wheat, peanuts, soy, tree nuts, fish, and shellfish.

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