Health Topics

Vision Impairment and Blindness

  • If you have low vision, eyeglasses, contact lenses, medicine, or surgery may not help. Activities like reading, shopping, cooking, writing, and watching TV may be hard to do. The leading causes of low vision and blindness in the United States are age-related eye diseases: macular degeneration, cataract and glaucoma. Other ...

Vision Impairment and Blindness

  • Also called: Low visionIf you have low vision, eyeglasses, contact lenses, medicine, or surgery may not help. Activities like reading, shopping, cooking, writing, and watching TV may be hard to do. The leading causes of low vision and blindness in the United States are age-related eye diseases: macular degeneration, cataract ...

Vital Signs

  • Your vital signs show how well your body is functioning. They are usually measured at doctor's offices, often as part of a health checkup, or during an emergency room visit. They includeBlood pressure, which measures the force of your blood pushing against the walls of your arteries. Blood pressure that ...

Vitamin A

  • Vitamins are substances that your body needs to grow and develop normally. Vitamin A plays a role in yourVisionBone growthReproductionCell functionsImmune systemVitamin A is an antioxidant. It can come from plant or animal sources. Plant sources include colorful fruits and vegetables. Animal sources include liver and whole milk. Vitamin A ...

Vitamin A

  • Vitamins are substances that your body needs to grow and develop normally. Vitamin A plays a role in yourVisionBone growthReproductionCell functionsImmune systemVitamin A is an antioxidant. It can come from plant or animal sources. Plant sources include colorful fruits and vegetables. Animal sources include liver and whole milk. Vitamin A ...

Vitamin C

  • Vitamins are substances that your body needs to grow and develop normally. Vitamin C is an antioxidant. It is important for your skin, bones, and connective tissue. It promotes healing and helps the body absorb iron.Vitamin C comes from fruits and vegetables. Good sources include citrus, red and green ...

Vitamin C

  • Also called: Ascorbic acidVitamins are substances that your body needs to grow and develop normally. Vitamin C is an antioxidant. It is important for your skin, bones, and connective tissue. It promotes healing and helps the body absorb iron.Vitamin C comes from fruits and vegetables. Good sources include citrus, ...

Vitamin D

  • Also called: Cholecalciferol, ErgocalciferolVitamins are substances that your body needs to grow and develop normally. Vitamin D helps your body absorb calcium. Calcium is one of the main building blocks of bone. A lack of vitamin D can lead to bone diseases such as osteoporosis or rickets. Vitamin D also ...

Vitamin D Deficiency

  • What is vitamin D deficiency?Vitamin D deficiency means that you are not getting enough vitamin D to stay healthy.Why do I need vitamin D and how do I get it?Vitamin D helps your body absorb calcium. Calcium is one of the main building blocks of bone. Vitamin ...

Vitamin D Deficiency

  • Also called: Hypovitaminosis D, Low Vitamin DWhat is vitamin D deficiency?Vitamin D deficiency means that you are not getting enough vitamin D to stay healthy.Why do I need vitamin D and how do I get it?Vitamin D helps your body absorb calcium. Calcium is one of the ...

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