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Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
There are more bacteria in your mouth than there are people in the world.