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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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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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Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

A guinea pig being held A guinea pig being held
This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b
skeletal muscle consists of a group of fibers held together by connective tissue. It is enclosed in ... skeletal muscle consists of a group of fibers held together by connective tissue. It is enclosed in ...
An agglutination reaction. Antigen-coated latex beads are held together by antibody. In a direct ... An agglutination reaction. Antigen-coated latex beads are held together by antibody. In a direct ...
In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ... In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ...
Video: Blood Flow through the Human Heart

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