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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

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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 immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...

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