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N-acetyl-L-cysteine (NAC) can prevent DNA damage and protect cells from harm.

Hair greying is seen as a sign of aging; temporary fixes like hair dye are used, but a balanced diet and hair care can help manage it.

A 19-year-old male with delayed puberty was successfully treated for a condition that prevents normal hormone production.

Researchers found that certain RNA circles in the brain are linked to disease risk, but their exact role in disease is still unknown.

Minoxidil can reduce functions related to androgen receptors.

The model accurately predicts age from saliva and buccal cells for forensic use.

Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.

The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.

Women with early-onset baldness should be checked for early bone loss, but bone density doesn't change with baldness severity.

The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

Finasteride can cause lasting sexual dysfunction, depression, and other side effects, needing more research for treatment.

Metformin improves quality of life, emotional health, and sex life in women with polycystic ovary syndrome.

Baricitinib may effectively treat nail changes in alopecia areata.

The FDA warned about safety issues with remdesivir and tofacitinib, finasteride is linked to suicidality, potent topical corticosteroids increase osteoporosis risk, henna can cause hemolysis in G6PD deficiency, chemotherapeutic agents can cause adverse reactions, drug interactions are common in cancer patients, ketamine can reduce at-risk drinking, high dose of anticholinergics increases dementia risk in Parkinson's patients, and prenatal exposure to second-generation antipsychotics increases pregnancy complications.

Biologic treatments for Crohn's disease and ulcerative colitis can cause skin problems, and doctors should adjust treatment if these occur.

Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.

Low IGF-1 and high HDL cholesterol levels are linked to more hair loss in middle-aged women.

THSG from a Chinese plant helps with aging and related diseases.

Using defensins to activate stem cells may improve skin aging signs without causing inflammation.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

Finasteride for hair loss has minimal impact on sexual function.

Children's hairlines change shape as they grow, with women often developing a widow's peak and men's hairlines becoming more convex and possibly balding at the temples, influenced by genetics and hormones.

Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.

Most Spanish Caucasian women have a widow's peak, and their hormone levels suggest they process certain hormones faster.

Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.

Advancements in aesthetic surgery from 2002-2003 include improved skin resurfacing, effective migraine surgery, satisfying hair transplants, alternative treatments for skin nevi, successful endoscopic midface enhancement, and safe techniques for facial rejuvenation.

Polycystic ovary syndrome is a complex condition that affects women's mental, reproductive, and metabolic health throughout their lives.

Erectile dysfunction is increasingly common in men under 40, with many physical and psychological causes, and various treatment options available.

Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.