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Some nutrients and antioxidants may improve skin and hair health, but more research is needed to confirm these benefits.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Air pollution (PM10) increases skin inflammation and aging by reducing collagen and may trigger a repair response in skin cells.

Keratins are important for skin cell health and their problems can cause diseases.

A new painless method to collect hair follicles helps study DNA damage and aging.

Mitochondrial therapy and platelet-rich plasma therapy both stimulated hair regrowth in aging mice, with mitochondrial therapy showing similar effectiveness to plasma therapy.

Dermal EZH2 controls skin cell development and hair growth in mice.

The document suggests that activating autophagy might help with regeneration by removing old and damaged cells.

The Rotterdam Study updated findings on elderly health, focusing on heart disease, genetics, lifestyle effects, and disease understanding.

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.

Abnormal Hedgehog signaling in blood cancers may help tumors grow and resist chemotherapy, suggesting potential for targeted treatments.

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

Researchers isolated a new type of stem cell from mouse skin that can renew itself and turn into multiple cell types.

Genetically-altered adult stem cells can help in wound healing and are becoming crucial in regenerative medicine and drug design.

Cell aging can be both good and bad for tissue repair.

The review found that different stem cell types in the skin are crucial for repair and could help treat skin diseases and cancer.

Environmental factors like diet and vitamin levels, especially Vitamin D, can affect autoimmune diseases differently, with lifestyle changes potentially improving outcomes.

Elastic Net DNA methylation clocks are inaccurate for predicting age and health status; a "noise barometer" may better indicate aging and disease.

The plant extract remedy Satura® Rosta promotes hair growth and regrowth without negative effects.

Bee pollen, green tea, essential oils, and various plant extracts improve skin and hair health.

A group has developed therapies that show promise for treating cancer and various other conditions.

Skin health and repair depend on the signals between skin stem cells and their surrounding cells.

Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.

The environment around the time of conception can change the VTRNA2-1 gene in a way that lasts for years and may affect disease risk.

Melatonin, a hormone, can help protect skin from aging by reducing stress, inflammation, and damage, and may also help treat hair loss in women.

TLR4 is important in aging-related diseases and could be a new treatment target.

Older mice have stiffer skin with less elasticity due to changes in collagen and skin structure, affecting aging and hair loss.

OR2AT4 helps reduce aging and cell damage in human skin cells.

PRP may help with aging and osteoarthritis, improving tissue repair and reducing surgery risk.