[header] How to be fit and sexy [title] Get regular aerobic exercise. [step] Healthy adults should get at least 150 minutes of moderate aerobic activity or 75 minutes of vigorous aerobic activity a week. Break your exercise up into shorter increments across the week. 
Aerobic exercise makes you altogether healthier. It helps you maintain a healthy weight, lowers your risk of heart disease, and lowers your risk of contracting viral illnesses.