If a person grew up in a cold place they happily walk outside in winter in short sleeves and shorts in places with mild Winters while the locals are bundled up in thick jackets.

Spicy food with capsaicin can be progressively tolerated.

Are these two tolerances related in terms of some biology like number of receptors or signal strength?

  • $\begingroup$ Welcome to Biology.SE! Can you provide some background for why you think these might be related? $\endgroup$ – tyersome Aug 18 '19 at 1:07

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