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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Possible symbiotic or endosymbiotic relationships that gave rise to the first eukaryotic cells Possible symbiotic or endosymbiotic relationships that gave rise to the first eukaryotic cells
(A) The stages in utero of human development. (A) The stages in utero of human development.
Gap junctions. Gap junctions connect the cytoplasm of two adjacent cells. In the mammalian brain, ... Gap junctions. Gap junctions connect the cytoplasm of two adjacent cells. In the mammalian brain, ...
Human photopic (cone) and scotopic (rod) spectral sensitivity curves. The peak of each curve has ... Human photopic (cone) and scotopic (rod) spectral sensitivity curves. The peak of each curve has ...
Lineage restriction of human developmental potency. Lineage restriction of human developmental potency.
Stages of Human Development Stages of Human Development
Video: Evolutionary tree of life Animation

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