Many believe the strong acid in lemon can kill bacteria in raw oysters, making them safe to eat, similar to cooking. Is this true? (Hoa, 25, Hanoi).

Mr. Ta, 59, experienced a cough, shortness of breath, and chest pain for two months, leading doctors to diagnose tuberculosis bacteria causing constrictive pericarditis.

Grinding breaks down tissue structure, increasing exposure to air and bacteria, causing ground meat to spoil and discolor rapidly.

My wife says eating unclean pork offal is unhealthy, so if I buy pure white, smooth pork offal, is it guaranteed to be safe? (Hoang, 32 years old, Hanoi).

My wife often marinates meat overnight for deeper flavor before cooking it in the morning. Is this practice food-safe? (Tung, 33, Hanoi).

Storing meat and fish in the refrigerator for too long, or overstuffing the fridge with food, are habits that silently harm health and pose a potential cancer risk.

Lam, a three-year-old boy, presented with a cough and high fever for three days, showing poor response to fever-reducing medication. Doctors diagnosed him with bronchopneumonia caused by co-infection with metapneumovirus and H. influenzae bacteria.