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The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

The article concludes that while we understand a lot about how melanocytes age and how this can prevent cancer, there are still unanswered questions about certain pathways and genes involved.

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

Hormone imbalances can cause skin diseases, and understanding these links is important for diagnosis and treatment.

Aging in hair follicle stem cells leads to hair graying, thinning, and loss.

A COVID-19 infected patient with chronic kidney disease experienced worsened kidney function, hair loss, and unexpected wart clearance.

Estrogen therapy can reduce skin aging but has cancer risks.

Estrogens help reduce skin aging, and SERMs might offer similar benefits without the risks of hormone therapy.

Androgen is important in controlling stem cell differentiation, reducing fat development, and increasing lean mass.

Small changes in hormones can significantly impact health, showing the importance of sensitive testing for chemicals that disrupt hormones.

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

Aging in men is influenced by genetics and lifestyle, leading to muscle loss, bone issues, and skin damage.

Topical glucocorticoids thin the skin and change collagen structure.

Aging causes sweat glands to shrink and move upward, leading to less elastic skin and more wrinkles.

The conclusion is that using drugs to block the TOR pathway might slow aging and prevent age-related diseases.

The timing of when the gene Bmal1 is active affects aging and survival, with its absence during development, not adulthood, leading to premature aging.

Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.

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

PCOS symptoms change with age; younger women have higher androgen levels and less metabolic issues, while older women face more metabolic challenges despite milder PCOS symptoms.

The document concludes that both internal stem cell factors and external influences like the environment and hormones affect hair loss and aging, with potential treatments focusing on these areas.

The document suggests that the traditional understanding of hair growth cycles and alopecia may be inaccurate and that blood supply plays a significant role in hair growth and loss.

Balding men had lower bone density, while balding women had higher hip bone density.

Europe needs a clear system to watch over cosmetics for safety and to make sure product claims are true.

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

The study concluded that both estrogen and androgen receptors, which decrease with age, are linked to skin aging and may be hormonally regulated.

Conditioned media from human amniotic fluid-derived stem cells helps skin heal and protects against aging from sun exposure.

Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.

Si Jun Zi Tang may slow aging by affecting specific cell signaling pathways.

Blepharoptosis surgery usually lowers the eyebrows, especially near the nose.

Hormones affect skin aging, and treatments targeting hormonal balance may improve skin health.