Đánh răng thường xuyên làm giảm nguy cơ viêm khớp
Cập nhật: 10:39 27/02/2014 GMT+7
Các nhà khoa học cho rằng việc đánh răng thường xuyên sẽ làm giảm nguy cơ mắc các bệnh viêm khớp. Lý do bởi vi khuẩn gây bệnh nướu răng và viêm khớp có mối liên hệ với nhau.
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