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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Basic overview of energy and human life. Basic overview of energy and human life.
Gibs free energy for hydrolysis of some phosphate compounds Gibs free energy for hydrolysis of some phosphate compounds
The growth in demand for energy use is met by burning fossil fuels The growth in demand for energy use is met by burning fossil fuels
Ionization energy Ionization energy
A slice of cheese pizza has a caloric content of 150 Cal. If this energy could b A slice of cheese pizza has a caloric content of 150 Cal. If this energy could b
The central nervous system is composed of the brain and the spinal cord The central nervous system is composed of the brain and the spinal cord
Video: Muscle cell structures - actin, myosin and titin filaments

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