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Source: Public Health Image Library (PHIL). Available online: http://phil.cdc.gov Brown recluse spiders ( Loxosceles reclusa )

Source: Public Health Image Library (PHIL). Richard F. Darsie Jr., PhD. Available online: http://phil.cdc.gov The puss caterpillar

Autosomal recessive conditions are genetic diseases that are passed to a child through both parents' chromosomes. Autosomal

The spinal cord is a soft bundle of nerves that extends from the base of the brain to the lower back. It runs through the spinal

Deep leg veins (the light blue veins in the picture) include the iliac, femoral, popliteal, and tibial veins. Superficial leg

Many eye problems are treated with eyedrops or eye ointments, and sometimes with both. Even though drops and ointments are widely

Guides through decision to take sleeping pills for insomnia. Explains what insomnia is and how sleeping pills can help. Lists

Celiac disease (or celiac sprue) is a problem with digesting gluten. Gluten is a type of protein found in wheat, rye, and other

What is whiplash? Whiplash is pain and stiffness in the neck after an injury that has caused the neck to move suddenly or beyond

Gout is a form of arthritis. It's caused by a buildup of uric acid crystals in a joint. It causes sudden attacks of pain, swelling