dr. saver: the incidence of stroke approximately doubles for every decade over the age of 45. two-thirds of all strokes occur over the age of 65. but stroke is also not uncommon in mid-adult life, or even in childhood. and there are more strokes in patients under the age of 45 than there are cases of multiple sclerosis. the risk factors for stroke, in certain respects, resemble the risk factors for other cardiovascular diseases. dr. saver: high blood pressure, hypertension, is the number one modifiable risk factor for stroke. high blood pressure increases the risk of stroke fivefold compared to people who don't have high blood pressure. the conventional definition for high blood pressure is having a systolic blood pressure-- the upper number-- that's 160 or higher, and the diastolic blood pressure, or lower number, that's 85 or 90 or higher. if you have blood pressure in that range, then to work with your physician in lowering the blood pressure. usually the first steps are lifestyle changes: d

saver. [ applause ] >> yeah. thank you. >> now, do you have addiction problems? >> now you sound like dr.didn't he? >> wow. no holds barred. >> i appreciate that. i do. he could have kept it light and he kept it real. i dig that. >> wow. >> it's hard to watch. it's hard to watch, and one of the things is, you know, you want -- i don't know that i want these images to be the ones that my kids see and think these people are cool, you know what i mean. >> i don't think they do. wish them both the very, very best. >> yes. >>> also coming up in our "gma heat index," we've all just heard halle berry is expecting her second child at age 46. you know what, she's not the only one so we asked if the mid-40s are the new mid-30s. abc's bianna golodryga has more. ♪ baby baby baby >> my biological clock is ticking like this. >> reporter: it's the 1990s movie scene that so many women could relate to. a 30-something marisa tomei in "my cousin vinny" worrying she's getting too old to conceived. at 46 years old, halle berry announced just this week that she's pregnant with her second child calling it the b

saver, a career saving. >> yes. thank you. >> do you have addiction problems? >> now you sound like dr. phil. >> yeah, i'm sorry.really? when? see i'm the one who is having the blackouts. >> i'm just sayin'. >> i ought to be in rehab. we never thought we'd see you again honestly, you know, because of the jokes and stuff, but yet you have enough spine, enough sense of yourself, enough poise to come out here and talk to me. >> she was tearing up there at the end. >> i think at one point he asked who is going to take her to rehab. she got teary there. she said "we didn't discuss this in the pre-interview" she said it in a joking way but stars go on that show and "the tonight show" and they don't expect sometimes a more probing interview and that's what makes it more effective and interesting to watch. >> she keeps saying, and she said this in other interviews i'm happiest when i'm working but she's never working, remember "liz and dick" movie was a bomb. >> and you hear what goes on, on set. >> let's hope she gets it together. >> you go back to look at "parent trap" so talented as a young kid. she's got it, just a