Keep Your Skin Healthy

People say that beauty’s only skin deep; it’s what’s on the “inside” that counts. Our insides are certainly important, but skin is your first layer of defense against the outside world. Skin can also give important clues to your overall health. Learn to take good care of your skin, so your skin can keep taking good care of you.

Skin protects your body in many ways. “The skin provides a barrier to protect the body from invasion by bacteria and other possible environmental hazards that can be dangerous for human health,” says NIH dermatologist Dr. Heidi Kong.

Skin plays other roles, too. It contains nerve endings that let you feel when an object is too hot or sharp, so you can quickly pull away. Sweat glands and tiny blood vessels in your skin help to control your body temperature. And cells in your skin turn sunlight into vitamin D, which is important for healthy bones.

Skin can also alert you to a health problem. A red, itchy rash might signal allergies or infections, and a red “butterfly” rash on your face might be a sign of lupus. A yellow tint might indicate liver disease. And dark or unusual moles might be a warning sign of skin cancer. Be on the lookout for unexpected changes to your skin, and talk with your doctor if you have concerns.

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