- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: Suppose a Gallup Poll using a sample of 400 individuals found that 25 of them supported a particular ... (Read 186 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.