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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The average office desk has 400 times more bacteria on it than a toilet.
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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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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.