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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 6000 times) |
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Medication errors are three times higher among children and infants than with adults.
Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.