Low body weight: Some people are thin naturally and healthy. But you list a lot of conditions. You are quite tall. You should get checked for hormonal disorders as a root cause (GH excess, hyperthyroidism). Also, ask your doctor about Marfan's syndrome.
Answered 3/21/2015
3.1k views
Underweight.: That BMI is underweight, and therefore unhealthy. This should be investigated, as there may be a medical reason for it to be so low.
Answered 1/14/2016
1.7k views
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