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Author Question: The Homans Social Systems model a. describes two in interdependent systems: the internal system ... (Read 250 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.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.