i am joined now by jonathan graff, director of clinical research and education for apira science. now, is there a difference between men and women as far as what their experiences are with hair loss? (jonathan) well, you know, both men and women t is does in men. men usually begin their hair loss in their early 20s, you start seeing that receding. women usually keep their hairline, they get kind of thin throughout the whole top, and sometimes the whole head. and any hormonal event can really trigger it and start it happening, getting thin through that whole area where it kind of sneaks up on you. jonathan, what are the options we have for losing our hair? the only one that is non-medical with no known side effects, perfectly safe, is low level light therapy. wer what low level light therapy is? certainly, low level light therapy is a technology that's been around about 20 years for treating genetic hair loss as well as a host of other different conditions, such as acne, minor pain relief, post-operative wound healing, and, of course, thinning hair in men and women. it uses gentle t