First Sentence

"Hypertension (HTN or HT) is one of the factors affecting morbidity and mortality in elderly people to make health care policy makers pay more attention to control of hypertension in elderly people,18% of all deaths (9.4 million globally). Also, hypertension is considered as a major health problem in our society. High blood pressure usually does not cause symptoms. Long-term high blood pressure, however, is a major risk factor for coronary artery disease, stroke, heart failure, atrial fibrillation, peripheral vascular disease, vision loss, chronic kidney disease, and dementia.About 90–95% of cases are primary, defined as hypertension due to nonspecific lifestyle and genetic factors.Lifestyle factors that increase the risk include excess salt in the diet, excess body weight, smoking, and alcohol use. Lifestyle changes and medications can lower blood pressure and decrease the risk of health complications. Lifestyle changes include weight loss, decreased salt intake, physical exercise, and a healthy diet. This book is based on the original research that was presented at AiA15 Conference (ASA Conference; 2015 Aging in America Conference), March 23-27, 2015 in Chicago, America."