Đánh răng đúng cách tránh ung thư
(TNO) - Đánh răng không đúng cách có thể làm tăng nguy cơ tử vong sớm do bệnh ung thư. Các nhà khoa học Thụy Điển tìm thấy mối liên hệ giữa nhiều mảng bám răng, vi khuẩn hoặc vi trùng với việc tử vong vì ung thư sớm hơn 13 năm so với dự kiến.
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