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In the United States, people are legally blind if their best eye has 20/200 vision or less with the help of glasses or contact

Learning disabilities can affect the basic processes involved in understanding or using the spoken or written language. They can

Meditation is the practice of focusing attention on feeling calm and having a clear awareness about life. It can produce a state

Mites belong to the family (arachnid) that includes spiders, ticks, and scorpions, but mites are barely visible with the naked eye

Difficulty breathing can occur when the body's lungs or heart are not working well. Moderate trouble breathing means: It's hard to

Most muscle strains (pulled muscles) are caused by overstretching muscles. Strains may be minor or severe, such as a torn muscle

Minerals have many important roles in the structure and function of the body. The body needs minerals to build and maintain

Malocclusion means having crooked teeth or having upper and lower teeth that don't line up properly. It is usually caused by

There are different types of muscular dystrophy (MD). Muscular dystrophies are rare inherited diseases of the nerves and muscles

Macular edema occurs when fluid and protein deposits collect in the eyeball on or under a part of the retina (the lining of the