Or are they affected but they have a higher tolerance before the smell overwhelms them?
In: Biology
Smells are just chemicals in the air. Whether you find them absolutely repugnant or delicious is down to how your brain has evolved to interpret that signal.
Humans have evolved to find some specific scents like the sulfurous gases of rotting meat extremely repulsive, to protect us from the hazards of eating spoiled food.
Scavengers with lead stomachs that actually prefer to eat this disgustingly extra-tenderized meat don’t find the scent bad – they’re drawn to it. Many even have noses many times more sensitive than ours to track the sweet smell of roadkill from miles away.
You even get bizarre cases of flowers mimicking the stench of death to attract flies as pollinators instead of bees.
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