- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: The number of cells in a two-way factor ANOVA is equal to a + b 1; where a is the number of levels ... (Read 28 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.