Aerobic fitness provides a number of health benefits, and can leave you looking and feeling better. If you're already exercising, try a more intense cardiovascular activity --- such as running, cycling, or swimming --- for maximum benefits. If you're new to exercise, you might need to start slowly, with 10- to 15-minute walks daily, and increase your speed and duration as you feel comfortable. Novices should consult a health-care provider before starting a new exercise routine.
Weight Loss
Aerobic fitness burns calories, which can result in weight loss. The American Heart Association recommends that adults engage in 30 minutes of physical activity per day, at least five days per week. In addition to looking better, maintaining a healthy weight yields a variety of benefits, including lower risks of heart disease, obesity, and type-2 diabetes.
Improves Cholesterol
There are two different types of cholesterol, HDL (high-density lipoprotein) and LDL (low-density lipoprotein). HDL is typically referred to as "good" cholesterol, and is beneficial for a number of reasons, including because it counteracts the LDL, or "bad," cholesterol level. The Mayo Clinic notes that aerobic fitness is one of the few ways to raise HDL cholesterol levels. If you're not sure what your cholesterol levels are, get them checked by your physician. Those suffering from high cholesterol may be advised to take prescription medication along with exercise and a balanced diet.
Improves Mood
According to the Mayo Clinic, regular exercise can improve your mood, because it releases chemicals in the brain which cause mood elevation and relaxation. These chemicals can also reduce stress, and improve self-esteem. Next time you're feeling agitated, try going for a run to alleviate anxiety --- instead of turning to unhealthy tactics like smoking or eating comfort foods.
Boosts Energy Levels
Regular aerobic fitness can increase your overall energy level, according to the Mayo Clinic. This is because aerobic exercise delivers oxygen and nutrients throughout your body, which in turn helps the heart and lungs work more efficiently. These benefits stay with you even when you're not exercising. Anyone who feels sluggish at the end of the day will likely benefit by starting with a morning walk, run, or other form of aerobic activity.
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