john, again, it's really been an informative show, i'm sure we'll have you back. my name is michael alden >>nd i'm dr. jj meier. thanks for watching. >> female announcer: the following is a paid program for murad, celebrating 25 years of health and skincare breakthroughs, starring joan lunden. find out why millions of women hollywood stars, and over 30,000 skincare specialists are turning to dr. howard murad to restore radiant, glowing skin and how you can finally look as young as you feel. >> male announcer: when you look in the mirror, what do you see? [ discordant chord plays ] >> when i look in the mirror, i look tired. >> i woke up the other day, i looked in the mirror, and i swear it was my mom looking at me. >> i look angry with my forehead and my lines. >> i don't want to look 50. i want to look younger. i feel younger. >> male announcer: so, why don't you look as young as you feel? [ discordant chord plays ] >> female announcer: the problem is hormonal aging -- a fact of life that happens to all women. as we age, our hormone production slows down, which leads to less estrogen in