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Gray hair regained color after thyroid hormone treatment.

Stress can cause hair to turn gray by depleting pigment-producing cells through the release of a stress hormone.

As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

Oxidative stress causes hair to gray by damaging and killing pigment cells.

Gray hair may be caused by lower antioxidant activity in hair cells.

Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.

Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

Aging changes hair stem cells and their environment, leading to gray hair and hair thinning, but understanding these changes could help develop treatments for hair regeneration.

Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.

Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.

The document explains hair growth, hair loss types, and other hair-related terms.

Hair transplantation in East Asians needs special techniques to ensure natural results and prevent complications due to their unique hair and scalp characteristics.

Most adult women experiencing hair loss are aged 21-40, with the most common type being female pattern hair loss. Trichoscopy is a useful tool for diagnosing different types of hair loss.

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

The polyherbal hair gel is effective against fungal infections and helps nourish hair and prevent graying.

Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

Hair grays due to oxidative stress and fewer functioning melanocytes.

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.

Gray hair can potentially be reversed, leading to new treatments.

Certain flavonoids can improve the growth of pigmented hair in mice.

Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.

Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.

RT1640 treatment reverses gray hair and promotes hair growth in mice.

Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.

Some people's hair turned white or gray after using intense pulsed light for hair removal, and for some, it was permanent.

Rice bran extract boosts melanin production in hair follicles.

Most young men with early gray hair have low vitamin D but normal iron levels.

Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.

A woman's hair turned gray and fell out after starting a cancer drug called imatinib mesylate.