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Two new compounds were found to build bone and muscle without affecting reproductive organs and skin oil glands.

Sex and sex hormones can affect brain inflammation in Parkinson's disease, with male mice being more affected and female mice showing a protective effect.

ILC1-like cells can independently cause alopecia areata by affecting hair follicles.

Scientists created a detailed map of gene activity in different parts of human hair follicles.

Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.

Male hormones like testosterone may make COVID-19 worse, and testing for sensitivity to these hormones could help predict how severe a patient's symptoms might be. Treatments that reduce these hormones are being explored.

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

The study found that immune responses disrupt hair growth cycles, causing hair loss in alopecia areata.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.

Women generally handle heart enlargement better than men, but it's riskier for them if it occurs; hormones like estrogen offer some protection.

Finasteride exposure affects gene expression and anogenital distance in male rat fetuses.

Certain transcription factors are key in controlling skin stem cell behavior and could impact future treatments for skin repair and hair loss.

Men and women experience skin aging differently due to changes in sex hormone levels with age.

A protein called CBP is found in prostate cancer and can increase the effectiveness of certain prostate cancer treatments.

Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.

The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.

Men are more likely to have severe COVID-19 cases and fatalities than women due to factors like lifestyle, aging, and biological differences.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

GLI2 increases follistatin production in human skin cells.

The Ovol2-Zeb1 circuit is crucial for skin healing and hair growth by guiding cell movement and growth.

Adult esophageal cells can start to become like skin cells, with a key pathway influencing this change.

DHT affects bone growth by altering gene activity in osteoblasts, potentially complicating steroid use.

Pharmacy-sold shampoos tend to have fewer allergens compared to those sold in other stores.

Researchers created a model to understand heart aging, highlighting key genes and pathways, and suggesting miR-208a as a potential heart attack biomarker.

Foxn1 gene regulation is crucial for thymus development but not for hair growth.

Differences in growth factors in platelet-rich plasma therapy for hair loss can vary between patients and can be influenced by the devices used, possibly leading to inconsistent results.

Mice without active or present vitamin D receptors maintain normal blood sugar control and islet gene expression when calcium levels are normal.

Found microRNA differences in hair cells, suggesting potential treatment targets for hair loss.

Prdm1 is necessary for early whisker development in mice but not for other hair, and its absence changes nerve and brain patterns related to whiskers.

The conclusion is that individual differences in COVID-19 severity are influenced by factors like age, sex, race, and genetics, which are important for personalized medicine.