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Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.

Non-coding RNAs could help detect and treat radiation damage.

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

A specific ATR gene mutation is linked to a hereditary oropharyngeal cancer syndrome.

Tiny particles called extracellular vesicles show promise for treating skin conditions and promoting hair growth.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Natural compounds, especially Withaferin-A, may help treat post-COVID-19 complications, but some may have side effects.

Oxidative stress contributes to hair graying and loss as we age.

Tissue-derived extracellular vesicles are crucial for cancer diagnosis, prognosis, and treatment.

Spironolactone, a heart and liver drug, has new uses including cancer treatment, viral infection prevention, and skin condition improvement.

Increased ODC activity leads to skin tumors by recruiting stem cells, not by toxic byproducts.

Researchers made stem cells from human hair follicle cells with better efficiency than from skin cells.

Aging reduces skin stem cell function, leading to changes like hair loss and slower wound healing.

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

PGD2 increases androgen receptor activity in hair cells, which could be targeted to treat hair loss.

Melatonin improves cashmere goat hair quality by increasing follicles and reducing skin aging.

Increasing Rps14 helps grow more inner ear cells and repair hearing cells in baby mice.

Keratin peptides can change hair shape gently without harsh chemicals.

Notch signaling is essential for healthy skin and hair follicle maintenance.

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

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

Testosterone's effects on COVID-19 are unclear and need more research.

A woman with Budd-Chiari syndrome improved after treatment and needs a liver transplant, highlighting the importance of considering non-criteria antiphospholipid syndrome in similar cases.

Researchers created a rat model to study skin damage caused by radiation, which could help develop new treatments.

Short telomeres contribute to aging and cancer, and while telomerase can delay aging, it may also promote cancer.

COVID-19 and hypopituitarism (reduced pituitary gland function) are linked, with the latter's related health issues potentially worsening COVID-19 outcomes, and COVID-19 possibly increasing risk for pituitary complications.

Baricitinib and its combination with lonafarnib improve fat cell formation in certain genetic disorders.

Scientists made all eight versions of a compound called cyoctol, but found it's not an anti-androgen and it fully breaks down in the skin.

The TCL1 transgenic mouse model is useful for understanding human B-cell leukemia and testing new treatments.

Graying hair happens due to aging and might be delayed by new treatments.