Trẻ sinh nhẹ cân thường bị dậy thì sớm
ân nặng nhẹ khi chào đời cũng là một thiệt thòi, bởi trẻ có xu hướng dậy thì sớm. Các bé tăng cân nhanh trong 2 năm đầu đời cũng gặp tình cảnh tương tự, một nghiên cứu của Đức vừa cho biết. Lý do của mối liên hệ này chưa rõ ràng, theo tạp chí Clinical Nutrition của Mỹ.Dậy thì sớm từ lâu được biết đến là có liên quan với sự gia tăng nguy cơ ung thư vú và tinh hoàn, đồng thời làm xáo trộn những hoóc môn khác đóng vai trò thúc đẩy bệnh ung thư.
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