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Author Question: What percent range of infants and children from birth to 3 years with developmental delay were found ... (Read 61 times) |
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
Everyone has one nostril that is larger than the other.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.