1. The Importance of Health and Fitness Why Health and Fitness Matter A life of happiness requires both exercise and good health. They increase mental and emotional health in addition to bodily well-being. A balanced diet and regular exercise can lower the chance of developing chronic conditions including obesity, diabetes, and heart disease. Maintaining an active lifestyle also increases vitality, enhances productivity, and improves the quality of sleep. The Relationrship Between Mental and Physical Health Mental health is directly impacted by physical fitness. Endorphins are naturally occurring mood enhancers that are released during exercise. Additionally, it lessens sadness, anxiety, and stress. A healthy body helps a healthy mind, which makes overcoming obstacles in life simpler.