Moderate alcohol consumption can be compatible with a healthy lifestyle. Recently, studies indicate that moderate alcohol consumption may benefit the cardiovascular system. However, excessive use and abuse of alcohol is a major medical and social problem. Consistent exercise has many benefits, including reduced risk and protection from coronary heart disease, stroke and high blood pressure. In addition, exercise also assists in lowering total blood cholesterol levels.
Obesity is America's most serious nutritional problem.
Genetic factors and some hormonal disorders may potentially contribute to the development of obesity. However, the lack of physical activity appears to be a major contributor. Excess weight may lead to diminished life expectancy, as well as aggravate existing or lead to future health problems. The next article in this series will focus on nutrition and disease. Summary Nutrition is the study of foods and how they are used by the body.