Tập thể dục: Không phải cứ nhiều là tốt hơn cho sức khỏe
Mặc dù mọi chuyên gia đều đồng ý rằng tập thể dục là một hoạt động vô cùng có lợi cho sức khỏe con người, tuy nhiên phần đông vẫn chưa đưa ra được con số chính xác: liệu ta nên tập với thời lượng bao nhiêu giờ mỗi ngày?
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