|
Author Question: How does a waste-spark ignition system fire the spark plugs? (Read 71 times) |
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.