Tắm nắng giúp người già phòng bệnh
Nhóm nghiên cứu cho biết tắm nắng giúp tăng cường vitamin D cho cơ thể, trong khi người có tuổi dễ thiếu vitamin D do quá trình lão hóa cũng như do những thay đổi trong cách sống như ít tham gia hoạt động ngoài trời.
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