Saving Hearts is based on a study of 5,721 healthy women by Dr. Martha Gulati, Director of Preventative Cardiology and Women's Cardiovascular Health at Ohio State University. SavingHearts is for women who want to avoid heart disease. Few know that the max heart rate formula (220-your age) is wrong for women. This app will calculate your correct max heart rate and help you track your heart health. It uses a scientifically validated algorithm to calculate target heart rate and gives regular feedback on intensity of your exercise to make it easy and intuitive for Women to reduce their heart disease risk factors.