Take care of your heart !
On of the most frequent questions I get is: – Doc ! what can I do to prevent getting a heart attack ?
There is abundant evidence that regular exercise is good for your heart.
Everyone knows that if you study hard for a test, you will more than likely do well. The same concept applies when we say we are “getting into shape.” You have to build up your cardiovascular system through endurance activity in order to have an efficient circulatory system. Regular physical activity not only strengthens your heart muscle and improves your blood’s oxygen carrying capacity, but also improves your breathing and muscular contractions.
How much excercise do you need ? – well that depends on the condition of your body.
My answer is: Take care and start out carefully. In general, to get maximum benefits, you should gradually increase your intensity over several weeks and then time, but 20 to 30 minutes, at least three to four times a week is considered sufficient. Exercising every day or every other day is alright as long as you don´t end in the easy chair.
Take care, consult your doctor before starting if you have any doubt or have any symptoms, and remember to much physical activity can be harmful.
Dr. Gudmundur Björnsson is an icelandic physician, a specialist in medical rehabilitation, a certified independent medical examineer (CIME) and an MBA. He now runs his own company as a medical advisor mostly in insurance medicine. He has previously been a head of a rehabilitation clinic and president IMA. 
