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Author Question: You are sitting in a late afternoon class. As you are attempting to look engaged, your mind is ... (Read 56 times) |
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
On average, the stomach produces 2 L of hydrochloric acid per day.