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Small changes in hormones can significantly impact health, showing the importance of sensitive testing for chemicals that disrupt hormones.

A new enzyme in rats may help regulate hair growth.

New chemicals were made that can block an enzyme linked to hair loss, prostate growth, and acne.

Low-dose bisphenol A increases prostate size in rats by affecting certain enzymes.

Certain compounds reduced hamster flank organ size by inhibiting 5α-reductase, like finasteride, without affecting androgen receptors.

Certain chemical changes to cortisol and progesterone can increase or decrease their ability to inhibit hair growth.

Androgens increase muscle mass by promoting myoblast growth through ornithine decarboxylase.

Women have a higher DHT/testosterone ratio than men, possibly due to gut bacteria activity.

Mutations at Val-889 and Arg-752 disrupt key interactions in the androgen receptor, affecting its function.

Dauricine may help treat certain brain cancers by reducing cancer cell growth and promoting cell death.

Diazoxide applied to the skin can increase hair growth without harmful side effects.

Topical tacalcitol can treat psoriasis by acting directly on skin cells.

Poor air quality increases the risk of atopic dermatitis in Taiwan.

Testosterone increases 3α-androstanediol levels, which can be blocked by finasteride.

A new method effectively predicts estrogen-related health effects for early screening.

Certain pesticides may delay sexual maturity in teenage boys.

Dihydrotestosterone has a reduced effect on muscle-building in people with testicular feminization syndrome, especially after their gonads are removed.

Prostaglandin D2 increases testosterone production in skin cells through a process involving reactive oxygen species, which could be a new target for treating hair loss and other skin conditions driven by testosterone.

A reliable method was developed to measure aristolochic acid-I in rat blood.

The research identified and described a gene important for hormone conversion in endangered catfish, which varies in activity during different reproductive stages and after hormone treatment.

Rats developed lung issues from the drugs, but these cleared quickly after stopping them.

A specific metabolite, not a receptor protein, triggers the production of certain kidney enzymes, but this process is disrupted in mice with a mutation causing testicular feminization.

Hormonal contraceptives and related compounds can increase health risks like thrombosis and affect sexual function.

Human adrenals and gonads have a unique enzyme for steroid hormone production.

The study created a new method to test drugs that affect hormone processing in skin.

4-(4-Phenoxybenzoyl)benzoic acid derivatives can both increase and decrease certain types of reactive oxygen species, and may be relevant to hair loss.

The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.

XEDAR triggers a specific signaling pathway in cells.

Cadmium chloride pollution can cause skin disorders, speed up aging, and prevent hair growth.