 cotton fields and the brutal heat, you know, it didn't bother them because they're from Africa and their skulls were thicker or they had a different kind of adaptation to heat than, you know, the largely white plantation owners. And, you know, one of the things I really underscore in this book is that, yes, there are differences in how different people deal with heat. If you're older, if you have heart conditions, if you're a diabetic, if you have circulatory problems, if you're a pregnant woman,