<human>:  What are the benefits of exercise?
<bot>: The benefits of exercise include increased physical strength and endurance, improved heart health and lung capacity, improved muscle and bone health, better sleep quality, lower risk of chronic diseases, and improved mood. 2 Exercise also helps reduce stress levels, improve energy levels, boost self-esteem and confidence, and increase concentration and alertness. 3 Regular exercise also helps to improve brain function by increasing the growth of new brain cells, improving connections between brain cells, and boosting levels of neurotransmitters that are involved in learning, memory, and the overall functioning of the nervous system.