physical inactivity is a major risk factor for heart disease and stroke. Physical inactivity has been linked to mortality in heart. It is also a major risk factor for other diseases such as Life Style type 2 diabetes, obesity and the diseases related to smoking, alcohol and drugs. Regular exercise or physical activity is significantly important for the health and welfare of children, adults and old adults. Even among frail and very old adults, mobility and function can be improved with exercise.
Regular exercise like brisk walking, jogging, hiking, stair climbing, swimming, playing, cycling and rowing improves endurance and ultimately realize overall physical and mental fitness. Studies have shown that almost all people can benefit from regular exercise, whether they participate in vigorous exercise or some form of moderate health enhancing physical activity.
Many studies report that exercise both, moderate and vigorous intensity has been linked to various beneficial health outcomes, which include reduced risk of dying early from heart disease or stroke, developing some forms of cancer (colon, prostate lung, breast and endometrial), developing type 2 diabetes, hypertension and obesity. Regular physical activity can help control the abnormal blood lipids, diabetes, obesity and it has been shown to reduce morbidity and mortality from several chronic diseases.
There are even studies indicating that exercise is not only beneficial for the body but also the brain. Regular exercise is also necessary to maintain muscle strength, joint structure, joint activities and the strength of bones. Medical Association recommends exercise at least 30 minutes of moderate activity, five days a week, or 20 minutes of vigorous exercise at least three times a week. Programs designed by medical organizations to improve physical fitness take into account frequency (how often), intensity (how hard) and time (duration) of movement.
Although there is awareness of the exercise frequency, intensity and duration of exercise is not well known. Whether vigorous exercise is harmful or not for the general health of the individual and the well-being is a very controversial topic. There are scientists who strongly argue that the effect of exercise can be beneficial for men, however, are professionals who firmly say that excessive levels of exercise can cause health problems. However, people around the world should not get the wrong message to vigorous exercise is harmful to health. Movement within the normal range not only helps prevent chronic diseases but also save overall health care costs.