Expression of WNT1 Signaling Proteins After Phototherapy Exposure in Vitiligo

Androgenic alopecia (AGA) might have evolved to reduce prostate cancer risk by increasing UV exposure to the scalp, but this theory is debated. Treatments like minoxidil and finasteride are used for AGA, though the exact causes and evolutionary reasons for hair loss are unclear.

Hair provides protection against head trauma, reduces skin cancer risk, helps remove heavy metals, and aids in wound healing. The conversation emphasizes the health benefits of maintaining head hair beyond cosmetic reasons.

The conversation discusses natural DHT blockers like rice bran oil, which may reduce 5α-reductase activity similarly to Minoxidil and Dutasteride. One user argues that finasteride is more reliable and effective than natural alternatives.