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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
The average office desk has 400 times more bacteria on it than a toilet.
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.