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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
![A hiatal hernia or diaphragmatocele. A portion of the stomach protrudes through the diaphragm into t](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_07_46_84751345.jpeg)
![An inguinal hernia. A portion of the small intestine is protruding through the abdominal muscles int](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_09_47_84781326.jpeg)
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