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Stephen Rothman made important discoveries in dermatology, including the use of PABA in sunscreens, but never profited from his work.

Using a combination of specific cell cycle regulators is better for safely keeping hair root cells alive indefinitely compared to cancer-related methods.

Ethylene and auxin hormones interact in complex ways that are essential for plant growth and development.

Researchers created a model to understand heart aging, highlighting the role of microRNAs and identifying key genes and pathways involved.

Regulating certain sex hormones may help delay facial aging.

Certain gut bacteria may protect against alopecia areata, while others may increase the risk.

Correct testosterone levels for age to treat prostate cancer, using low dose treatments as necessary.

Certain genes and nutrients like vitamin D, zinc, and omega fatty acids affect COVID-19 severity and infection risk.

North American ginseng extract helped regrow hair in balding mice.

The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.

Anti-IL-12/IL-23 antibody therapy effectively treats psoriasiform skin lesions in IBD patients.

Growing human skin cells in a 3D environment can stimulate new hair growth.

The document concludes that the fast-growing direct-to-consumer genetic testing market lacks sufficient regulation, posing risks to consumers due to questionable test quality and accuracy.

Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.

Trilostane effectively improved symptoms in dogs with a certain adrenal gland disorder.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Skin's Regulatory T cells are crucial for maintaining skin health and could be targeted to treat immune-related skin diseases and cancer.

Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.

A patient with alopecia areata regrew hair after taking tofacitinib and showed changes in certain blood and skin markers.

Both ruxolitinib and tofacitinib are effective and safe for treating severe alopecia areata, but relapses are common.

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.

SHBG may be a useful early indicator and treatment target for PCOS.

The research found how GPCR Class A Rhodopsin receptors are related and suggested possible substances they interact with.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Tofacitinib was effective in treating hair loss in two patients with alopecia universalis.

Metformin has limited effectiveness for improving PCOS symptoms and lacks clear benefits, needing more research to confirm its efficacy.

A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.

A blood pressure drug, diltiazem, may also help treat influenza.