Move Your Body, Change Your Life: The Physical and Mental Benefits of Exercise

By
Jonathan Marshall, DC

We all know we should exercise. But beyond the idea of “getting fit,” what’s really happening inside the body and brain when we move? The truth is, exercise doesn’t just build muscle or burn calories—it rewires your brain, boosts your mood, supports immune function, and slows the aging process. Whether you’re walking the dog, lifting weights, or chasing your kids at the park, movement is one of the most powerful forms of medicine.

Let’s break down what science has to say about exercise’s effects—physically and mentally.

PHYSICAL BENEFITS OF EXERCISE

1. Cardiovascular Health

Exercise strengthens your heart, improves circulation, and lowers blood pressure. Regular aerobic activity reduces your risk of heart disease by 20–30% (CDC, 2022). It also helps balance cholesterol levels and keeps arteries flexible, reducing your risk of stroke.

2. Metabolic Function & Weight Regulation

Exercise increases insulin sensitivity, which means your body uses glucose more efficiently—a key factor in managing or preventing Type 2 diabetes. Resistance training also boosts resting metabolic rate by building lean muscle mass, allowing the body to burn more calories at rest (Harvard Health, 2021).

3. Musculoskeletal Strength & Flexibility

Regular movement maintains joint mobility, strengthens bones, and reduces the risk of osteoporosis—especially weight-bearing activities like walking, squatting, or resistance training. According to a 2014 review in Bone, exercise plays a key role in bone density maintenance across the lifespan.

4. Immune Support

Exercise has an anti-inflammatory effect on the body. Moderate activity enhances immune surveillance and lowers systemic inflammation—helping prevent chronic disease (Nieman & Wentz, Journal of Sport and Health Science, 2019).

MENTAL & EMOTIONAL BENEFITS OF EXERCISE

1. Reduced Anxiety and Depression

Exercise increases levels of endorphins and serotonin—chemicals that regulate mood and promote a sense of well-being. A meta-analysis published in JAMA Psychiatry (2022) found that physical activity is highly effective at reducing symptoms of depression, often on par with medication and therapy in mild to moderate cases.

2. Cognitive Performance and Brain Health

Exercise boosts brain-derived neurotrophic factor (BDNF), a protein that promotes growth and survival of brain cells. This can improve focus, learning, and memory. According to a 2018 study in Neurology, individuals who were more physically active in midlife had a 30–40% lower risk of developing dementia later on.

3. Sleep Quality

People who exercise consistently tend to fall asleep faster, sleep deeper, and wake up less during the night. The Sleep Foundation reports that even a brisk walk can help regulate circadian rhythms and improve sleep architecture.

4. Stress Relief and Emotional Resilience

Physical activity helps lower cortisol (the stress hormone) and offers a powerful outlet for built-up tension. Over time, people who exercise regularly often report better coping skills and emotional regulation—especially important during times of life stress or transition.

HOW MUCH EXERCISE IS ENOUGH?

The World Health Organization recommends:

  • 150–300 minutes of moderate aerobic activity per week (or 75–150 minutes of vigorous activity)
  • 2+ sessions of muscle-strengthening activities per week

But any movement is better than none. Even 10-minute bouts throughout the day can add up to significant benefits.

BONUS: MOVEMENT AS MEDICINE

From a chiropractic perspective, exercise complements adjustments by supporting healthy biomechanics, strengthening stabilizing muscles, and keeping the spine in motion. We love to see patients who pair regular movement with their care plan—it often means faster recovery, fewer flare-ups, and greater long-term health.

BOTTOM LINE

Exercise isn’t just for aesthetics or athletic performance. It’s about keeping your brain sharp, your heart strong, your mood stable, and your body functioning the way it was designed to. Whether you’re an elite athlete or just starting out, your body craves movement—and it rewards you every time you show up.

Need help getting started or managing pain that keeps you from moving? We’re here for that.

This blog is for educational purposes only and not a substitute for professional medical advice. Consult a healthcare provider before starting any new treatment. Outcomes and experiences discussed may vary. For immediate medical concerns, contact your physician.

back to the blog