Can tensions and thinking and depression and money problems may lead to lose weight and immunity of our body. 2 years back im so healthy but once I had typhoid fever after that lots of problems occur to my body hair lose, body become so thin, and I have lack of Sleep problem over thinking .present im facing allergies cold and tried of my body. Nd now it looks like sinus also. I use many antibiotic and also homeopathy also no proper result .and I had many blood tests also like hiv, hcv, hbv tridot test results are non reactive (negative) I dnt know what is the reason for this. Please help me.