10 years. she had a well-controlled lipid or cholesterol level. as nancy mentioned, and her cat scan of her brain normal in march. >> pelley: what about the thyroid medication? >> hypothyroidism is a very normal disorder, affecting millions of americans, over 10% of women, especially women over 60. >> basically, it means you have an underactive thyroid gland. and it's very easily treated with replacement thyroid medication. le pelley: and for trump 6'2", pod 236 pounds, he is technically obese. >> yes, his b.m.i., is 30. if i was his cardiologist i would tell him to drop his b.m.i., to 25, which say weight loss of about 30 pounds. >> pelley: dr. tara narula, thank you very much, doctor. elrmer secretary of state colin towell took a healthy swing at both candidates in e-mails that were stolen and posted by a web site called dcleaks. le don't know who hacked powell's gmail account, but here, again, is nancy cordes. >> reporter: they are making a mistake trying to drag me in. that was one of several e-mails powell wrote expressing frustration with clinton for