Thanks for writing us..
gold contains aspirin, clopidogril( both are antiplatelet-- blood thinner) and atorvastatin
These have been advised because your father already undergone bypass surgery
and under risk of further cardiac or peripheral disease. these drugs are usually safe except risk of bleeding.
if repeatedly hernia is there i think can undergo MESS HERNIOPLASTY if large hernia or risk of srangulation is there., at this stage strenghtening is unlikely by exercise