> Anyway, i don't see how better vascularization of the head skin can be anything but a good thing (i'm not a doctor, just speculating)
It's always important to test and measure carefully. It could be a net positive, but angiogenesis factors also promote tumor growth (and the head is a common, and less survivable skin cancer spot in balding people).
It's always important to test and measure carefully. It could be a net positive, but angiogenesis factors also promote tumor growth (and the head is a common, and less survivable skin cancer spot in balding people).