関連ワード:  can u become lactose intolerant    can u become lactose intolerant randomly    can u become lactose intolerant at any age    can u become lactose intolerant over time    can u become lactose intolerant while pregnant    can u become lactose intolerant later in life    can u become lactose intolerant overnight    can u become lactose intolerant as you get older    can u become lactose intolerant suddenly    can you become lactose intolerant as an adult