The early symptom of developments a heart attack at elderly people] is calle

Scientists from Schools Khopkins John in Baltimore (United States of America) called an early symptom of developments a heart attack at elderly people. It is noted that 625 volunteers which middle age made about 70 years participated in experiment. It offered to walk about five minutes on a racetrack at a speed of 2,4 km/h. After participants estimated the fatigue on a scale from 1 to 10. It appeared that the highest point was noted by the people who already have risks of cardiovascular diseases, - suffering from obesity and a high blood pressure...