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Certain treatments can speed up local hair growth in mice but don't change the overall hair growth pattern.

Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.

Looking at tissue characteristics isn't reliable for telling apart basal cell carcinoma from certain benign skin tumors.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Changes to the Foxp3 protein affect how well regulatory T cells can control the immune system, which could help treat immune diseases and cancer.

Current automatic metrics for long-form question answering don't align with human preferences; a multi-faceted evaluation approach is needed.

The document says homoeopathic treatments are good for hair regrowth in alopecia areata but doesn't give proof.

Reassurance is important for postpartum hair shedding as it likely won't cause complete baldness.

PRP injections with tadalafil and stretching safely improved Peyronie's symptoms but didn't significantly change curvature long-term.

Skin's uneven surface and hair follicles affect its stress and strain but don't change its overall strength, and help prevent the skin from peeling apart.

Tacrolimus causes fewer acute rejections than cyclosporin A in kidney transplants but doesn't necessarily improve kidney function after one year; cardiovascular risks and side effects vary between the two drugs.

Prominin-1 expressing cells in the dermal papilla help regulate hair follicle size and communication but don't aid in skin repair.

People with obstructive sleep apnea are more likely to get herpes zoster, but nightmares don't affect the risk.

Tenofovir is more effective than adefovir for resistant hepatitis B, Fibroscan is good for assessing liver damage, regulatory T cells may help hepatitis C persist, and other insights into liver health and disease were found.

Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.

Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.

Mothers and newborns with dental fillings had higher mercury in their hair, but getting fillings during pregnancy didn't raise mercury levels further.

An 11-month-old boy with Menkes disease had severe brain shrinkage and abnormal blood vessels, and didn't respond well to treatment.

Mothers and newborns with dental fillings have higher mercury in their hair, but adding fillings during pregnancy doesn't raise mercury levels further.

Drug companies were interested in advertising directly to consumers to make back their money, but most didn't think it would help and were concerned about negative effects.

Certain miRNAs and genes influence wave patterns in Hu sheep hair follicles.

Antiandrogens don't help with COVID-19 and aren't recommended.

Dr. Norwood's analysis highlights the need for careful patient selection and strategic hair transplant design to create a natural-looking hair density.

Acne can't be cured but can be managed with treatments like benzoyl peroxide and diet changes; it's costly and can lead to scarring and mental health issues.

Extracellular water levels don't indicate COVID-19 pneumonia severity.

Surgical robots have improved but still can't perform tasks or make decisions on their own.

The ACE1 gene variant doesn't affect long-COVID symptoms.

People with androgenetic alopecia had milder COVID-19 symptoms during the Omicron wave in China.

Syphilis should be considered if PLEVA-like symptoms don't improve with treatment.

Topical PUVA can cause temporary hair regrowth in some alopecia areata patients but doesn't change the long-term outcome.