Question

a) Name the disease that causes acidity-related pain and bleeding in the stomach and duodenum of affected humans.

b) Who recently proved that this disease does not occur because of lifestyle reasons but is caused by a bacterium.

c) Name the causative bacterium of the disease.

Answer 1

a) Gastric ulcer occurs due to stomach acid which damages the lining of the digestive tract this is commonly caused by the bacteria Helicobacter pylori which causes acid-related pain and bleeding in the patient's stomach and duodenum.

b) Barry Marshall and Robin Warren proved that this disease does not occur because of lifestyle reasons but is caused by a bacterium.

c) Helicobacter pylori is the causative (bacterium) of the disease.