Improving heart function? Try long-distance running.

    Scientific experiments have confirmed that maintaining rhythmic, deep breathing over an extended period during long-distance running allows the body to take in large amounts of oxygen. When oxygen intake exceeds normal levels by 7–8 times, lung capacity correspondingly increases. Long-distance running also improves the oxygen supply to the heart muscle, thickens cardiac muscle fibers, and strengthens heart contractions, thereby enhancing the heart’s working capability. That’s why long-distance running is an excellent form of exercise.
    Moreover, long-distance running accelerates blood circulation in the body, which helps cleanse harmful substances from the excretory system, making it harder for those substances to accumulate or spread.

    Long-distance running not only benefits physical health but also strengthens the “mind.” Because it emphasizes enjoyment rather than competition, it encourages the release of a peptide substance—endorphins—inducing a sustained feeling of euphoria and calm. This is highly beneficial for relieving mental and psychological stress brought on by the fast pace and intense demands of modern life, and it also helps cultivate perseverance and resilience in overcoming difficulties.

    However, those who are not accustomed to regular physical activity should progress gradually. Exercising well beyond your usual limits may lead to sudden cardiac death or other sports-related injuries.

　   Additionally, be sure to do adequate warm-up exercises and ensure the route conditions are safe before beginning a long-distance run.

　   That said, although long-distance running is beneficial, the following two groups of people should consult a doctor and get approval before starting: those who experience discomfort such as chest tightness, headaches, or dizziness even with mild activity, and individuals with cardiovascular or cerebrovascular diseases.