research Measurement of hair growth
Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
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research Acanthosis nigricans, insulin resistance and cutaneous virilism
Patients with acanthosis nigricans often have insulin resistance and signs of increased male hormones, but treatment targeting these male hormones is generally ineffective.
research Beyond Clinical Efficacy: A Literature Review on the Safety Challenges of Isotretinoin Therapy
Isotretinoin can safely and effectively control acne with proper risk management and monitoring.
research Long-term use of 5α-reductase inhibitors and the risk of male breast cancer
Taking 5α-reductase inhibitors does not significantly increase the risk of breast cancer in men.
research Infertility and teratogenicity after paternal exposure to systemic dermatologic medications: A systematic review
Some skin medications can harm male fertility, but they don't seem to cause birth defects from father's exposure.
research An updated review of the sebaceous gland and its role in health and diseases Part 1: Embryology, evolution, structure, and function of sebaceous glands
Sebaceous glands in our skin, developing during pregnancy and active in puberty, produce sebum for skin lubrication, temperature control, and fighting germs, also help in hormone regulation, and their dysfunction can cause conditions like acne and hair loss.
research Hair and Nails
Pregnancy can cause more body and scalp hair growth and make nails brittle, but these changes often revert after giving birth.
research Birth Outcomes of Infants Born to Mothers with Alopecia Areata: A Nationwide Population-based Study in Korea
Mothers with alopecia areata have a higher risk of adverse birth outcomes.
research Association between male pattern baldness and testicular germ cell tumor: a meta-analysis
Baldness may lower the risk of testicular cancer.
research A pilot study on the sexual side effects of finasteride as related to hand preference for men undergoing treatment of male pattern baldness
Left-handed men experience more sexual side effects from finasteride treatment.
research Acne Tarda and Male-Pattern Baldness Unmasking Primary Ovarian Insufficiency: A Case and Review
A woman with acne and baldness was found to have a rare ovarian condition but successfully had a child through fertility treatment.
research Hormonal Control of Cardiac Action Potential Phase 1 Currents in the Brugada Syndrome
Androgens may increase arrhythmias in Brugada Syndrome, while Finasteride could reduce them.
research Chapter 23. Therapeutic Control of Androgen Action
Understanding how androgens work is key for creating new treatments for prostate issues and hair/skin conditions.
research Metformin influence on hormone levels at birth, in PCOS mothers and their newborns
Metformin taken during pregnancy increases SHBG in newborns but doesn't change other hormone levels in mothers or babies.
research Reversible decreases of fertility in male Sprague-Dawley rats treated orally with finasteride, a 5α-reductase inhibitor
Finasteride temporarily lowers male rat fertility without affecting libido.
research Is There an Association Between Male Alopecia Areata and the Ratio of Second to Fourth Finger Length?
A lower second to fourth finger length ratio may predict male alopecia areata.
research Effect of high-fructose diet on the renal cortex of adult male albino rats
High-fructose diets can cause irreversible kidney damage.
research Efficacy and safety of anti-androgens in the management of polycystic ovary syndrome: a systematic review and meta-analysis of randomised controlled trials
Anti-androgens can help manage some PCOS symptoms better than metformin but are not more effective than placebos or birth control pills for other symptoms.
research Genetic Ablation of the CDP/Cux Protein C Terminus Results in Hair Cycle Defects and Reduced Male Fertility
Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.
research Pharmacologically altered Androgens, Brain Activation and Response Inhibition in a Stop-Signal Task in Male Heavy Drinkers
Lower DHT and higher testosterone levels increase brain activation but don't change behavior in heavy drinkers.
research associations between serum dihydrotestosterone levels, lipid parameters & anthropometric measurements in male patients with type 2 diabetes mellitus
Men with Type 2 Diabetes have lower DHT levels, which may affect fertility and lipid profiles.
research Alopecia due to high androgen index contraceptives
Some birth control pills can cause hair loss, and switching to ones with less androgen should help.
research Fine mapping of the human AR/EDA2R locus in androgenetic alopecia
Genetic marker rs12558842 strongly linked to male hair loss.
research Combined oral contraceptives promote androgen receptor and oestrogen receptor alpha upregulation in the female prostate (Skene’s paraurethral glands) of adult gerbils (Meriones unguiculatus)
Birth control pills increase certain receptor activities in female gerbil prostate glands and can lead to prostate changes.
research Association between Family History and Male Androgenetic Alopecia with Female Pattern Hair Loss
Men with a family history of hair loss on their mother's side are more likely to have female pattern hair loss.
research Genetic and other epidemiological risk factors of infants and children with hypospadias: a case control study
Older parental age, rural living, and specific genetic mutations increase hypospadias risk in children.
research Inhibition of skin 5α-reductase by oral contraceptive progestinsin vitro
Norgestimate is the most effective birth control progestin for reducing an enzyme linked to acne and excessive hair growth in women.
research Selections from current literature: androgenetic alopecia: the science behind a new oral treatment
New oral treatment, finasteride, effectively and safely treats common hair loss.
research Anaesthetics and platelets.
The document suggests that hair loss after stopping birth control may be similar to post-pregnancy hair loss and could recur with future pregnancies.
research Researchers Link Early Hair Loss and Prostate Cancer
Early hair loss may increase the risk of prostate cancer, especially in African American men and those with frontal baldness.