Nobody could believe what those 2 men proposed 20 years ago, that peptic ulcer disease (qor7ah bi mi3deh) was caused by a bacteria.
Like many great discoveries, their theory was initially rejected, despite that one of them (Marshall) even infected himslef with the bacteria which caused him the disease , just to prove to others that his discovery was true.
As years passed by and more studies were done, their discovery started to make sense.
Noawadays antibiotics against that bacteria offer the best and most effective treatment for peptic ulcer, thanks to the efforts of those two men.
Today Australians Barry J. Marshall and Robin Warren won the 2005 Nobel Prize in medicine.