If so, it may well be because of your genes according to an article at SBS.com. Particular genes determine whether you can detect a bitter chemical (called PTC) in broccoli and other brassicas like cauliflower and brussels sprouts.
“On average, about 70% of us can taste something bitter in broccoli or PTC, but those with two copies of the bitter sensitivity gene are closer to 20%, and they are much more likely to hate it.”
US President George HW Bush said in March 1990, “I do