Anybody have heart problems?

My dad had a major h.attack 31 years ago(smoked,drank,work-a-holic)quit everything cold turkey.He took lots of different meds over the years,didn,t work.Now he,s down to 2pills a day.Dr,s say he has only 1/2 a heart for over 30 years.He,s a walking miracle.Hope your feeling better.There,s some pretty smart Dr,s out there Good Luck! Oh ya he,s 76 now.