An inactive lifestyle is one of the top risk factors for heart disease. However, it's a risk factor that you can do something about. Regular exercise, especially aerobic exercise, has many benefits.

Such benefits are:
Strengthen your heart and cardiovascular system.
Improve your circulation and by helping your body use oxygen better.
Increase energy levels, you will be able to do more activities without becoming tired or short of breath.
Increase endurance.
Lowers blood pressure.
Improve muscle tone and strength.
Improve balance and joint flexibility.
Strengthen your bones.
Help reduce body fat, reach a healthy weight.
Help reduce stress, tension, anxiety and depression.
Boost self-image and self-esteem.
Improve sleep.
Make you feel more relaxed and rested.
Make you look fit and feel healthy
Improve your heart failure symptoms.
Exercise of any or all of these will help strengthen your heart. If you have type of heart disease always check with your doctor before you do any kind of exercise regiment.