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Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Substances from Chinese medicines show promise for immune support and disease prevention, but the way they are processed affects their effectiveness.

New targets for making and using brain-synthesized steroids could lead to better treatments for brain disorders and alcoholism.

MicroRNA-302 helps improve the conversion of body cells into stem cells by blocking NR2F2.

No single treatment is consistently effective for alopecia areata, and more research is needed.

Eclipta alba extract may help hair grow similarly to Minoxidil.

Hibiscus plant extracts may have health benefits like lowering blood pressure and protecting the heart.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.

Most women with PCOS have high levels of male hormones, and free testosterone is the best marker for this.

Hormones, especially androgens, play a big role in acne, but most acne sufferers don't have a hormone disorder. Hormonal treatments, including birth control pills, can be very effective for women whose acne doesn't improve with regular treatments.

The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

The research identified various cell types in mouse and human teeth, which could help in developing dental regenerative treatments.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Children with atopic dermatitis often have sleep problems, affecting their growth and behavior.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Different ethnic groups have unique hair growth patterns, with African hair growing slower and less dense, Asian hair growing fast but sparse, and Caucasian hair being densest; men are more likely to experience hair loss than women.

Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.

Cancer therapy can cause various skin problems, including hair loss, skin darkening, painful hand-foot syndrome, and severe skin damage.

Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.

Folliculitis decalvans is a rare scalp condition causing scarring hair loss, treated with long-term antibiotics and other medications, but it often comes back and is hard to manage.

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

Minoxidil is the only FDA-approved topical drug for treating male or female pattern hair loss, and other medications like finasteride and dutasteride can also increase hair growth.

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

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

PLD is an effective and safer alternative for treating breast cancer.