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Skin and hair health Archive

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You don't say? Hair today, gone tomorrow

Men’s hair turns gray and falls out because of genes, declining hormones, and advancing age. The speed and severity this happens varies per person, but there is little that men can do about these hair changes.

Can a daily scoop of collagen powder really improve your skin?

Manufacturers tout collagen supplements as a way to improve signs of skin aging and skin quality. There is some research that shows they may bring skin benefits, reducing wrinkles, speeding wound healing, and improving skin hydration and elasticity. But because supplements aren’t regulated, quality may be highly variable. While collagen supplements are believed to be safe, there aren’t any long-term safety studies to date.

Shaking off shingles

Shingles is a painful neurological condition that is more likely to attack as people age. Left untreated, it can increase risk for chronic pain, blindness, and other long-term health problems.

Here comes the sun

With summer approaching, you need to be more attentive about sun protection.

Men have many skin challenges as they age. They develop wrinkles, lines, spots, and discoloration. Older men also are at greater risk for the two most common skin cancers: basal cell carcinoma and squamous cell carcinoma.

Without adequate sun protection, these conditions can become more frequent and severe.

Shedding your skin

Chemical peels can help improve your skin, if you choose the right product and follow safety instructions.

As you age, your skin changes, and not always in a good way. Some of the most common problems are caused by sun damage, including dark spots, rough texture, fine lines, and wrinkles. Chemical peels, which use a chemical solution to remove the top layers of the skin, are billed as one way to target these changes and improve the skin. Peels can be done at home, in a medical spa, or at a dermatologist's office. But the question is, are they really effective or good for your skin?

Dr. Hye Jin "Leah" Chung, assistant professor in the Department of Dermatology at Harvard Medical School, says yes, chemical peels can help your skin. But that endorsement comes with a caveat, she says. "They are beneficial as long as you use the right agent and the right technique," says Dr. Chung. Used incorrectly, chemical peels can be harmful and even cause burns or pigment changes.

Should I get a COVID-19 vaccine if I've had dermal fillers?

In rare cases, people who have had cosmetic dermal fillers experience swelling after receiving the COVID-19 vaccine, but this shouldn't stop people with fillers from being vaccinated.

Polycystic ovarian syndrome and the skin

Polycystic ovary syndrome is the most common cause of infertility in women. In many cases, women with PCOS have skin and hair issues such as acne, hair loss, or excessive hair growth in places where they normally do not have hair. Treatment options vary depending on the symptoms and each woman's preferences.

Safety of LED nail lamps

Ask the doctors

Q. I was worried about drying my nails with a lamp or light box at the nail salon because of the potential risk of cancer from the ultraviolet radiation, but my salon recently switched to LED lamps. Are they safer?

A. The light boxes used to cure polish during gel manicures, and to dry traditional nail polish, have raised some concern because — like tanning beds — they emit ultraviolet A (UVA) radiation, which is associated with a higher cancer risk. A 2014 study in JAMA Dermatology found that the level of UVA exposure associated with a gel manicure every two weeks probably isn't high enough to increase the risk of skin cancer significantly, but you are wise to be aware of the issue.

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