dr. jon lapook tells us about a promises hormone. >> reporter: doctors rich lee and amy richards may havea way to renew the old sick heart. make them young again. >> the heart is a very key organ that experiences decline in function as people age, and we wanted to understand how that decline and function arose and whether we might be able to intervene and stop it or reverse it. >> reporter: during age-related heart failure the heart grows larger as the muscle thickens and becomes stiff. that can cause blood to back up into the lungs, which can make it hard to breathe. >> there has been a suspicion that there's a circulating hormone or some material that can reverse some of the aging process. >> reporter: the harvard team honed in on a hormone called gdf-11, which declines with age in mice. it took gdf-11 from young healthy mice and gave it to old mice with heart failure. >> the heart is not known for being a regenerative organ, so i actively secretly did not expect to see any results in these experiments. >> reporter: the results took him by surprise. >> when old mice took to the new horm

dr. jon lapook has the story. and for the first time jessica buchanan tells how seal team six saved her after she was kidnapped by bandits for 93 days. >> i figured they were going to rape me. and then kill me. and then kill me. captioning sponsored by cbs captioning sponsored by cbs this is the "cbs evening news" with scott pelley. >> pelley: good evening the suspect in the cleveland kidnappings could be facing the death penalty. the prosecutor said today he may add aggravated murder to the charges ariel castro is already facing. one of the victims told investigators that castro violently forced her to miscarry each of the five times he made her pregnant. castro made his first appearance in court today. the judge ordered him held on $8 million bond. dean reynolds was in the courtroom. >> reporter: with his eyes on the floor and his hands in cuffs, the disheveled defendant listened as prosecutor brian murphy accused him of night nightmarish conduct that lasted for a decade. >> the date the situation was turned, mr

dr. jon lapook has the story.tells how seal team six saved her after she was kidnapped by bandits for 93 days. >> i figured they were going to rape me. and then kill me.

dr. jon lapook. >> reporter: for 25 years, noel cunningham ran a successful restaurant in denver and severalties. his wife tammy says he was full of life. >> noel was a huge, amazing personality. she was like a shooting star. he could make people feel as important as ever. >> reporter: then, in december of 2011, at the age of 262, noel cunningham committed suicide. >> there was some depression. but that had been off and on for a little bit so i didn't think a whole lot of it and he started to kind of close down a little bit with a lot of people. >> reporter: today, the c.d.c. reported over the last decade suicide among middle-aged people jumped 28%. the biggest increase among men occurred in their 50s where rates jumped almost 50%. among women, the greatest increase was in their 60s, rising nearly 60%. overall, men are still four times more likely to commit suicide than women. psychologist kelly pozner from columbia university medical center says suicide has become a public health crisis. why do you think we're seeing the increase? >> we've had recent economic downturns, the war is winding d

dr. jon lapook. >> angelina jolie says doctors estimated her risk of developing breast cancer was 87%. that is because she inherited a mutation of a gene called b.r.c.a.-1 which increases the risk of breast and ovarian cancer. her mother died from cancer at the age of 56. jolie talked about her mother with bob simon on "60 minutes." >> my mother was a full-time mother. she didn't have much of her own career, her own life, her own experiences. you know, everything was for her children. >> reporter: do you try to be the same kind of mom that she was? >> i will never be as good a mother as she was. >> reporter: the 37-year-old actress made the difficult decision to undergo a double mastectomy before cancer could develop. on february 2, jolie secretly underwent a procedure that allows the nipple to be saved. it was separated from the underlying breast tissue but left connected to the skin so it could continue to get blood supply. and then two weeks later, jolie had a double mastectomy with removal of all her breast tissue. temporary fillers were put in place. over nine weeks gradually expa