- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Medication errors are more common among seriously ill patients than with those with minor conditions.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.