Exercise has a genuine, well-studied effect on mental health. Physical activity helps regulate stress hormones, releases mood-lifting chemicals, improves sleep, and provides a sense of routine and achievement. For mild to moderate anxiety and depression, regular exercise can be as helpful as some other treatments and is often recommended alongside therapy.
You do not need intense workouts. Brisk walking, cycling, swimming, dancing, or any activity you enjoy counts, and most guidelines suggest aiming for around 150 minutes of moderate activity a week, built up gradually. Even short bursts and getting outdoors in daylight can make a difference. The key is consistency and choosing something sustainable.
Exercise works best as part of a broader approach rather than a standalone cure, especially for moderate to severe symptoms. If your mood or anxiety is significantly affecting your life, see a doctor, who may recommend combining activity with talking therapy or other treatment. If starting a new exercise routine and you have a health condition, check with a doctor first.