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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