Answer by
SuchetaMalikGambhir (234)
A stomach ulcer is a small corrosion in the gastrointestinal tract. It can be caused due to various reasons like improper diet, irregular eating habits, and excessive alcohol intake, smoking and family history. Apart from this, ulcers can also be caused due to the overdose or certain anti-inflammatory drugs like aspirin.They are found more in type 'O' blood.