How to get a healthy digestive and immune system? I really feel like I've very bad Immune system what should I do? I do no exercise, no fruits and vegetables, less water, no regular sleep, always I have too much stress and anxiety and anger, I get panic easily, I sit and sleep entire day watching mobile and laptop, I feel tired with less stamina, I feel sweaty all the day, I've some grey hairs too now and dark circles near eyes, I'm emotionally dead, my libido is extremely low, I'm totally inactive now, From 6-8 months I was getting softer, mushy stools never hard, Sometimes even Sour smelling, Sometimes very strong smelling, I got Pale yellow stool also, But only twice in 8 months, I did 2 stool tests, No Bacteria, Blood, Pus,Mucus, Fat, Undigested food or reducing substances, I feel no pain, bloating,nausea, jaundice, I'm active, I visited 6 different doctors for this problem, All say I'm okay, but I took many drugs and antibiotics in 8 months, I think I've ruined myself It's the end! I'm really scared.