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Red deer hair cells offer a new way to study how hormones affect hair growth.

Dermal papilla cells are key for hair growth and could help us understand and treat hair loss.

Hair loss peaks in spring and regrowth in late summer, with pregnant females losing the most hair.

Giving melatonin to sheep before the non-breeding season can improve their chances of reproducing in northwest Mexico.

Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.

Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Hyperadrenocorticism in ferrets is linked to neutering and indoor housing, and is best treated with surgery and a deslorelin implant.

Removing a testicular tumor in a dog reduced its aggressive behavior and skin problems.

Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.

Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.

Heavily hunted wolves have higher stress and reproductive hormone levels.

Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.

Androgens, male hormones, affect physical and mental functions, with a decrease leading to health issues like muscle loss, bone disease, and depression, and more research is needed on long-term effects and treatments.

Ice-skating athletes often have skin problems due to cold, infections, and inflammation, needing careful treatment and prevention.

Athletes need effective management of skin disorders for their performance and well-being.

Low BMI and cold exposure increase the risk of chilblains.

Proper care and diet are crucial to prevent health issues in gerbils.

Castration is preferred for non-breeding male dogs with BPH, but other treatments are available with specific pros and cons.

Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

Gonadal hormones significantly affect the severity of alopecia areata in mice.

Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).

A 72-year-old man had severe fatigue, weight loss, and frequent loose stools.

Most women have a widow's peak and specific hairline features useful for designing hair restoration surgery.

Nonhead hair transplantation is effective for patients with limited head donor hair, but more research is needed.