Did you know?
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Leopard with kill in tree in South Africa
All Muslims must face Mecca, Saudi Arabia, to pray. Here, the minaret of a mosque is aligned with Me
Cryptorchidism. (a) In complete cryptorchidism, the testes of a newborn have failed to descend into
(a) Chimpanzees and (b) bonobos likely diverged from a common ancestor due to allopatric speciation
Members of the Lemba ethnic group from southern Africa.
Population of Major Civilizations of Europe, Asia, and Africa, AD 1500