casual asides: a local retired GP where I once lived was into herbal supplements. For fungal disorders when all else failed he would frequently push high-concentrate oregano extract. Plus vinpocetine appears to be useful in treating tinnitus.
which suggests this may be something to research (Puritan's Pride online has it). And heat/cold tolerance seems circulation-focused. When growing up I was shuttled between northeast US and frequent sailing trips in SW Florida (where I am now ... snow sucks). Back then 30C seemed hot and sweaty. Now that's just a pleasant day in November. 10C seemed pleasant up north but now 10C in January here requires 2 or more layers. When the physiology stabilizes and acclimates the circulation adjusts.
quick google scares up:
http://hubpages.com/education/Vinpocetine-as-an-Effective-Ti...
which suggests this may be something to research (Puritan's Pride online has it). And heat/cold tolerance seems circulation-focused. When growing up I was shuttled between northeast US and frequent sailing trips in SW Florida (where I am now ... snow sucks). Back then 30C seemed hot and sweaty. Now that's just a pleasant day in November. 10C seemed pleasant up north but now 10C in January here requires 2 or more layers. When the physiology stabilizes and acclimates the circulation adjusts.