The familiar sounds of your heart are made by the heart's valves as they open and close.
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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo