Hair loss - Symptoms and causes - Mayo Clinic
网页2024年1月19日 · Hair loss (alopecia) can affect just your scalp or your entire body, and it can be temporary or permanent. It can be the result of heredity, hormonal changes, medical conditions or a normal part of aging. Anyone can lose hair on their head, but it's more common in men.
Stress and hair loss: Are they related? - Mayo Clinic
网页2023年5月10日 · Yes, stress and hair loss can be related. Three types of hair loss can be associated with high stress levels: Telogen effluvium. In telogen effluvium (TEL-o-jun uh-FLOO-vee-um), significant stress pushes large numbers of hair follicles into a resting phase.
Male hypogonadism - Symptoms & causes - Mayo Clinic
网页2021年9月29日 · Male hypogonadism is a condition in which the body doesn't produce enough of the hormone that plays a key role in masculine growth and development during puberty (testosterone) or enough sperm or both. You can be born with male hypogonadism, or it can develop later in life, often from injury or infection.
Mayo Clinic Q and A: Treating hair loss
网页2019年7月26日 · ANSWER: Hair loss often is caused by a combination of heredity and aging. Treatments that may slow that type of hair loss and help regrow hair, including over-the-counter therapies such as shampoos, are available. And they can be effective. On average, people lose about 50 to 100 hairs every day.
What is alopecia areata? - Mayo Clinic Press
网页2024年3月14日 · Androgenetic alopecia is typical pattern hair loss, including male-pattern hair loss and female-pattern hair loss. This often occurs in predictable patterns — a receding hairline and hair loss on the top of the head in men and thinning hair in the center of the crown for women.
Chemotherapy and hair loss: What to expect during treatment
网页2024年3月7日 · Chemotherapy may cause hair loss all over your body, not just on your scalp. Sometimes your eyelash, eyebrow, armpit, pubic and other body hair also falls out. Some chemotherapy medicines are more likely than others to cause hair loss.
Frontal fibrosing alopecia - Mayo Clinic
网页2023年7月17日 · Men also can experience FFA, in which case the beard might thin as well as the hairline. If you notice a pattern of hair loss typical of FFA, talk with your doctor. If you begin treatment early, you may be able to slow a …
Ringworm (scalp) - Symptoms & causes - Mayo Clinic
网页2022年1月22日 · Ringworm of the scalp appears as round patches where the hair has broken off at or just above the scalp. These bald-looking patches slowly grow larger. Ringworm of the scalp is a contagious infection. It's most common in …
Dandruff - Symptoms and causes - Mayo Clinic
网页2023年8月25日 · Dandruff is a common condition that causes the skin on the scalp to flake. It isn't contagious or serious. But it can be embarrassing and difficult to treat. Mild dandruff can be treated with a gentle daily shampoo. If that doesn't work, a medicated shampoo may help. Symptoms may return later.
Male infertility - Symptoms and causes - Mayo Clinic
网页2022年12月28日 · Male infertility can be caused by low sperm production, abnormal sperm function or blockages that prevent the delivery of sperm. Illnesses, injuries, chronic health problems, lifestyle choices and other factors may contribute to male infertility.