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Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.

Male pattern baldness may be caused by scalp pressure on hair follicles, which increases with age and leads to a cycle of hair loss. This process is not directly determined by genes.

Progesterone and its byproducts control a specific receptor in the brain independently of progesterone receptors, affecting conditions related to the menstrual cycle.

A new compound, BOI, can help hair grow by changing hair cycle phases and increasing certain cell contents.

The Hr protein binds to DNA, interacts with p53, and affects cell cycle genes.

Neuroimaging suggests that treatments targeting brain steroids could help control epilepsy, especially types linked to the menstrual cycle.

Adding chemotherapy to tamoxifen improves survival for older breast cancer patients with positive nodes.

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

The guidelines suggest a detailed approach to diagnosing and treating lupus, with a focus on regular check-ups, personalized medicine, and a range of drug options for different cases.

Inactive stem cells in hair follicles and muscles can avoid detection by the immune system.

Some skin medications are safe during pregnancy and breastfeeding, but others can harm the baby and should be avoided.

Using CDK inhibitors on rats showed a reduction in chemotherapy-caused hair loss, but later experiments could not repeat these results.

Alopecia areata causes hair loss, has no cure, and various treatments exist.

Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.

Transplant success has improved with better immunosuppressive drugs and donor matching.

Hair follicle melanocytes die during hair regression.

Coal tar shampoos, salicylic acid, and topical corticosteroids are effective for scalp psoriasis, with Vitamin D3 analogues also showing benefits; severe cases may require stronger medication with more risks.

Polycystic Ovary Syndrome likely starts in childhood and may be genetic and influenced by early hormone exposure.

No effective treatment for frontal fibrosing alopecia was found, but oral 5-alpha-reductase inhibitors had the best response; for lichen planopilaris, topical corticosteroids were commonly used but had a high relapse rate.

PLD is an effective and safer alternative for treating breast cancer.

Calcineurin inhibitors, used in kidney transplants, can cause a wide range of side effects including kidney damage and other health issues.

No treatment fully prevents hair loss from chemotherapy yet.

Treatments for permanent hair loss from scarring aim to stop further loss, not regrow hair, and vary by condition, with partial success common.

Different treatments for Hidradenitis suppurativa range from antibiotics and hormonal therapies to surgery, depending on severity.

Alopecia areata is likely caused by a combination of genetic factors and immune system dysfunction, and may represent different diseases with various causes.

Diazoxide, minoxidil sulphate, and cromakalim relax rat blood vessels by opening K+ channels, with some differences in their actions.

Some drugs can cause hair loss, change hair color and shape, or increase hair growth, and treatment may involve stopping the drug or using specific hair growth treatments.

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.

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

The study found that Keratosis Pilaris Atrophicans is a genetic skin condition that starts in childhood, involves inflammation and scarring, and current treatments are only somewhat effective.