My 15-year-old child has mild scoliosis due to poor lifestyle habits. If I let my child swim, can the condition be cured? (Hanh Nguyen, Tien Giang)

I went swimming with my 5-year-old son and noticed many cases of adenovirus causing pink eye and diarrhea. What other diseases can this virus cause? (Thuy Hanh, 38, Hanoi)

Khang, 15, experienced red, painful, watery eyes, diagnosed by doctors as keratitis likely due to swimming in a public pool.

I had eardrum repair more than one week ago and am planning a beach trip with my family. Can I swim or scuba dive after tympanoplasty? (Hoang Duc, 20 years old)

Exposure to pool chemicals, contaminated water, or improper hygiene can lead to dry eyes in children, increasing the risk of conjunctivitis and keratitis.

My 8-year-old child has epilepsy, with symptoms well-managed and no seizures for nearly two years. Can they learn to swim? (Huy Duc, Ha Noi)

I have chronic sinusitis; will swimming cause symptoms to recur, and what precautions should I take? (Khanh Nguyen, 30, Da Nang)