Doctors, on 2018 I was having tb but got cure in 6 months again I have tested recently for tb but it's was negative. I am eating properly but not able to put weight don't know why, before I was having a athletic physic, but now I became very thin. And can't put weight. And honestly I have habit of boozing and smoking. Please help and advice I will do whatever required to put on weight as before please suggest and advice.