also, my doctor Leung Shuk Fong( in metro city) has a book called " 你可以不飲牛奶", you can buyt it in book stores. also has the similar sharing as the above web site, said if children over 2 years & all the teeth coming in completely, they need not drink the milk .
so you must breastfed your new baby.. and that's why i insisted breastfed Moses until now.