I have been diagnosed with a mild herniated lumbar disc. Should I exercise, and which exercises are suitable? (Hoang Lam, Vinh Long)

Morning walks boost fat burning, midday walks help balance blood sugar, and evening walks improve mood.

Hot weather makes the body sweat more to cool down during exercise, increasing the risk of dehydration and reducing performance.

Teased for being "a walking stick", 27-year-old Tuan hit the gym, used supplements, and ate a high-protein diet "to build muscle". The result? High cholesterol.

I often play pickleball late at night and frequently experience coughing and fever the next morning. Is this due to overexertion, and how can I prevent it? (Dang Thanh, 32, Lam Dong)

Experts recommend wall sits and hand grips to regulate blood pressure.

Weightlifting, running, jumping rope, swimming, and playing tennis can burn hundreds of calories in a half-hour workout, strengthening muscles and improving cardiovascular health.

Adults under 60 should aim for 8,000-10,000 steps daily, while those over 60 should target 6,000-8,000 steps.