1) Hormone Disorders: Before letting you know the various hormone disorder causing underweight, thinness & less body muscles, I like you to know about the male hormones & what are their role in development of muscles in male body. High metabolism. According to one of the statistics in 2012, an estimated of about 2.2 million deaths occurred which were being attributed due to their higher presence of their blood glucose. She managed to avoid her doctor’s rebukes, but her baby boy was 300 grams lighter than the national average of 3 kg. Comparisons included antenatal complications (e.g. The adjusted regression model showed that the probability of underweight was higher in older age groups (OR = 1.63, 70-79 years; OR = 2.05, ≥ 80 years) and among smokers (OR = 1.83). Since you already have a lowish BMI, that option isn’t as available to you.
The good news with those who are underweight is that most people up until middle age have no problems with a