A vitamin B12 deficiency, whether because you're not getting enough B12 or aren't absorbing it well, can cause symptoms like fatigue, difficulty walking, weakness, and confusion. Find out if you may ...

Rheumatoid arthritis (RA) is a common autoimmune disease in which the immune system recognizes autoantigens on otherwise healthy joint tissues as foreign invaders, inducing a localized inflammatory ...

H. pylori bacteria can disrupt your stomach's protective lining and cause peptic ulcers. You can treat H. pylori infections with antibiotics and medications that lower acid to prevent complications. H ...