Earlier quoted context omitted.
> eating chili triggers an endorphin high, but regularly eating chili makes you less sensitive and hence you have to eat more chili to get your little high I wonder what is the evolutionary reason for that. The older you are, the more defense you needed against bacteria?
Taste sensitivity declines with age. Strong flavours like smelly cheese are disgusting for kids but enjoyed by older adults.
For instance, it would be really hard to find anyone, no matter how old, who enjoys surströmming or hákarl without having become acquitted with them.