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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
Species richness increases with island size.
Endangered species
The crania, and especially the faces of KNM-ER 1813 and 1470, differ enough that some scientists inc
DNA sequence variation in the human genome
Some obesity genes in the human genome. The green triangles represent single genes in which obesity
Selected Broad Sense Heritability (H2) Values from Human Twin Studies