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Did you know?

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.

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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Generally, the total tax burden in the United States is much lower than that of other industrialize Generally, the total tax burden in the United States is much lower than that of other industrialize
The United States, 1819 The United States, 1819
The left-hand rule states that if a coil is grasped with the left hand, the fingers will point in ... The left-hand rule states that if a coil is grasped with the left hand, the fingers will point in ...
Primary rainbows are the brightest and most common. Primary rainbows are the brightest and most common.
Weight management is such a hot topic in the United States that it is frequently Weight management is such a hot topic in the United States that it is frequently
Incidence of the Ten Most Common Cancers Incidence of the Ten Most Common Cancers
Video: Heart sounds

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