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Patients with alopecia areata have higher oxidative stress and lower antioxidant levels.

Only 22% of teenage girls in the study knew about PCOS, despite many having symptoms.

Hair follicle shape determines hair type: curly, straight, or in-between.

COVID-19 patients may experience hair loss, but it's not linked to their age or sex.

A woman's hair changed to a dry, tangled texture that's hard to comb after treatment with spironolactone, suggesting the medication might cause such hair changes.

Ethnic differences in hair and skin are significant and under-researched, requiring tailored dermatologic treatments and more study.

A 4-year-old girl had a rare hair disorder affecting only part of her scalp.

Many people in Saudi Arabia experienced hair loss after COVID-19, especially women, those treated with antivirals, and those with a history of hair shedding.

Quarantine increased hair fall, especially in young women, with no direct link to short sun exposure.

After a New York Times article talked about using low-dose oral minoxidil for hair loss, more people started getting this drug prescribed, but this trend didn't last long.

M type hair loss is the most common in Pakistani men.

Saudi dermatologists know about low-dose oral minoxidil for hair loss but don't often prescribe it, partly due to its unavailability.

Human hair, despite its different types, shares common traits that affect its structure and response to treatments.

Curly hair shape is due to uneven growth patterns in the hair follicle.

Keratin fibrils in hair form and stop growing at specific points in the follicle.

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

Almost half of COVID-19 patients in Makkah, Saudi Arabia experienced increased hair loss, especially women and those with chronic diseases.

Many people in Majmaah city, Saudi Arabia, don't know much about vitamin D deficiency and don't practice good vitamin D habits, with few linking it to hair loss.

Drinking lots of sugary drinks may increase the risk of hair loss in young men.

Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.

Moisture content significantly affects how human hair breaks.

Eating vegetarian, having allergies, and family history might be linked to getting gray hair early.

Most patients were happy with the hair fiber filler and had no serious side effects.

Certain gene variations may increase the risk of alopecia, and platelet-rich plasma treatment can improve hair density in those with hair loss; a rare case of facial Becker's nevus was linked to uneven beard growth.

Low serum ferritin levels are significantly linked to diffuse hair loss.

Taking Vitamin D supplements may increase the risk of skin darkening after laser hair removal.

Trichoscopy and pathological examination both have unique benefits and cannot completely replace each other in evaluating hair.

A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.

The study found no link between hair loss, stress, and smoking among men in Lahore.

People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.