April 2010
2 posts
omgfactsofficial:
Lactose tolerance is a mutation. Lactose intolerance is the original form of the gene.
Scientists have looked into the human genome to find the precise genetic mutation that causes lactose tolerance. Lactose tolerance in humans always come from the same genetic mutation, regardless of whether they are of European, Asian, and African descent.
Most people in the world are...
omgfactsofficial:
One tablespoon of semen has approximately 20 calories. Semen also contains zinc and calcium which helps prevent tooth decay. One typical ejaculation contains 150 mg of protein, 11 mg of carbohydrates, 6 mg fat, 3 mg cholesterol, 7% US RDA potassium and 3% US RDA copper and zinc. The protein content is roughly equivalent to that found in one egg white. Also, women physically...
