What do you mean by immune system?
An immune system is like a power house of the body that generates many antibodies against foreign material and induces inner strength of the body. Immune system also protects the body from different harmful infections that can harm the body.
Why low immune system cause weight loss?
Low immune system cause the body to be weak, this helps the foreign particles to be inoculated in the body in an easy way and starts processing, this could cause theweight loss in that person with lots of malnutrition takes place.