Unlike many refrains you hear about your health, exercise is really, truly good for you. There's a mountain of research backing up its many benefits.
The US Centers for Disease Control and Prevention recommend at least 2.5 hours of moderate cardio activity or 1.25 hours of vigorous cardio activity every week, plus two days of strength training.
People in some states work out more than others, but even California — the state with the highest average number of minutes spent exercising every week (87.4) — falls short of the recommendations.
Exercise doesn't need to be fancy: Even small improvements like walking more or running up the stairs to your office can help. And you don't need to do SoulCycle or Pilates to get in shape — jumping jacks and push-ups in your bedroom count, too. Just get up and move.
If you need more convincing, here are 21 research-based benefits of exercise to help motivate you to leave the couch behind.
Working out regularly has been linked to fewer symptoms of anxiety and depression.
Working out can help prevent and manage Type 2 Diabetes. At least one out of three Americans will develop this disease in their lifetime.
Sources: Diabetologia, Progress in Cardiovascular Diseases, CDC
Exercise could play a role in increasing 'good' cholesterol and lowering 'bad' cholesterol.
Studies have found that exercising can reduce airway inflammation in people with asthma.
Sources: Annals of Allergy, Asthma & Immunology, Mayo Clinic
Strength training could help build strong bones and has been linked to a lower risk of osteoporosis.
Sources: National Institute on Aging, Pediatrics
People who exercise vigorously were found to also have higher levels of mood-boosting vitamin D, probably because they spend more time out in the sun.
While the popular belief that exercise can increase your metabolism isn't true, it does burn calories.
Source: Mayo Clinic
Working out has been associated with a more effective cardiovascular system and a lower risk of heart disease. Even low-impact exercise like yoga has shown these effects.
Regular exercise has been shown to decrease stress levels.
Research has found that short bursts of intense cardio training can help people lose weight and shed fat.
Your body can become more agile through exercise and strength training, which could improve your balance and help prevent falls and other injuries.
Source: NIH Senior Health
For women, including those taking antidepressants, exercise has been shown to increase sexual arousal.
Regular exercise has been found to increase immunity, though scientists aren't sure how this works yet. It could rid your airway of bacteria that lead to colds, or make your body produce more antibodies that fight sickness.
Aerobic exercise has been linked to memory maintenance, so it's especially important for older adults to stay active.
Staying fit is associated with a longer life. People who are active for seven hours a week are a 40% less likely to die young than those who exercise for 30 minutes or less.
Source: CDC
Being active is even associated with a reduced risk of some cancers. One-third of all cancers in the US are linked to diet and exercise, according to the American Cancer Society.
Source: American Cancer Society
Stressed at work? Go for a walk. Exercise has been linked to a reduced risk of workplace burnout.
Source: PeerJ