Can eczema be completely cured through long-term running?

In general, long-term running cannot cure eczema completely. However, moderate running combined with proper skincare can positively improve symptoms. The detailed explanation is as follows:

Eczema has complex causes, including genetic factors, immune system abnormalities, and environmental irritants. Relying solely on running cannot address these underlying issues. Nevertheless, moderate running can enhance immunity, helping the body better manage inflammatory responses. It also promotes blood circulation and metabolism, supporting skin cell repair. Additionally, running triggers the release of neurotransmitters that help relieve mental stress, reducing stress-induced eczema flare-ups. However, care must be taken during exercise to avoid worsening symptoms—exercise intensity should be moderate, as excessive physical activity and resulting fatigue may impair immune function.

Sweating increases during running; if not cleaned promptly afterward, salts and metabolic byproducts in sweat can irritate the skin. Therefore, it's important to cleanse the skin immediately after exercising and apply a moisturizer. Clothing should be made of breathable, sweat-wicking materials to minimize skin friction and irritation. Also, avoid environments with high levels of allergens.