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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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People about to have surgery must tell their health care providers about all supplements they take.

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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Object and Word Recognition After Vertices Have Been Eliminated (Adapted from Szwed, M., Cohen, L, Q Object and Word Recognition After Vertices Have Been Eliminated (Adapted from Szwed, M., Cohen, L, Q
Screening for Near Vision Acuity Screening for Near Vision Acuity
Endocrine Glands/Organ Functions Endocrine Glands/Organ Functions
Organ System Organ System
People with normal color vision see the number 29 in the chart; however, those who are color-blind c People with normal color vision see the number 29 in the chart; however, those who are color-blind c
A bell-shaped, or “normal,” curve shows the distribution of phenotypes for traits controlled by ... A bell-shaped, or “normal,” curve shows the distribution of phenotypes for traits controlled by ...
Video: Primate Evolutionary Tree Animation

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