Respected sir My sister Daughter facing health issue of Bardet - Biedl syndrome in since 5 years back, Presently she is 11 years old and weight is 49 kgs height 4.2 Inches . I am recently Noticed this issue she is already attacked night blindness and obesity. So any treatment this decease. some children’s doctors told this decease no Medical Treatment. Sir please give me the full details for this decrease and any medical treatment. Thinking you sir Kumar India Andhrapradesh Visakhapatnam.