Did you know?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Thyroid conditions may make getting pregnant impossible.
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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
Defensive mutualism involves species that receive food or shelter in return for providing protection
The functions of species richness.
human anatomy
DNA Among Species of Hominids
(A) The stages in utero of human development.
Human salivary alpha amylase test.