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Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

Low iron levels may be linked to some types of hair loss in women.

Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.

New 5% minoxidil foam effectively promotes hair growth and is safe for use.

Some viruses can cause cancer by changing cell processes and avoiding the immune system; vaccines and targeted treatments help reduce these cancers.

Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.

Tempol is safe and may prevent hair loss from brain radiotherapy.

Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

The paper concludes that the 1982 criteria for diagnosing systemic lupus erythematosus need updating to improve accuracy and involve dermatologists in the process.

Microneedling is promising for treating various skin issues but needs more research to confirm its effectiveness and safety.

The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.

Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.

FOXO1 is important for wound healing, but its dysfunction in diabetes can slow the healing process.

Spironolactone can cause side effects like irregular bleeding, but lower doses may reduce these effects and still improve hirsutism.

Maintaining DNA health in stem cells is key to preventing aging and tissue breakdown.

Oral dutasteride can potentially treat frontal fibrosing alopecia in postmenopausal women, with some patients showing disease arrest and hair regrowth.

Chickens exposed to loud noise can quickly regain hearing mostly due to repair of the tectorial membrane, not just hair cell regeneration.

Minoxidil treats high blood pressure and side effects can be managed.

Blocking Wnt signaling in young mice causes thymus shrinkage and cell loss, but recovery is possible when the block is removed.

Using both vertical and transverse sections gives a better diagnosis of alopecia than using one method alone.

WNT10A helps esophageal cancer cells spread and keep renewing themselves.

Defective mitochondrial DNA replication causes aging symptoms and increased oxidative damage in mice.

Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.

The CLASI is a reliable tool for measuring the severity of cutaneous lupus erythematosus.

Parathyroid hormone-related protein helps control hair growth phases in mice.

Pregnant women often experience skin and hair changes, with over half getting stretch marks and pigment changes, and should be cautious with cosmetic procedures due to potential risks.

Disrupting Stat3 in hair follicle stem cells greatly reduces skin tumor formation.

Lung repair involves both dedicated and flexible stem cells, important for developing new treatments.

Too much AKR1C3 enzyme causes resistance to finasteride by increasing testosterone.