Vi khuẩn trên bàn chải đánh răng cao gấp 80 lần nước bồn cầu
âu "bệnh từ mồm vào, họa từ miệng ra” khiến bạn e sợ, ngày nào cũng đánh răng ba lần. Nhưng như vậy đã thực sự hiệu quả chưa? Một nghiên cứu gần đây chỉ ra rằng bàn chải đánh răng không hề sạch như bạn nghĩ.Nghiên cứu của các nha sĩ Đài Loan cho thấy bàn chải đánh răng sau 3 tuần sử dụng đã chứa tới hàng triệu vi khuẩn, tương đương với lượng vi khuẩn bám trên 29 đồng tiền xu và gấp 80 lần lượng vi khuẩn trong nước bồn cầu.
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YcOgxINh4buVbeG6pcODYeG7lcOs4buVYeG7g3fhu5VtYeG7k+G7l+G6p29h4buV4buzw7rhu4dh4butb8Sp4butYeG7reG7q3fhu5VtYeG7hWph4buT4bql4buZYeG7seG6p+G7h25h4buB4bql4buVYeG7h27huq1vIGHhu6xuZuG7l2Hhu4LDqeG7lWHhu6zhu6vDsw==