Why do our feet swell up in the heat? What can we do about it?
It’s a phenomenon that many of us are familiar with: you’re pulling on your flip flops while enjoying a day of relaxation in the summer sun, and you have to struggle to get them on; it seems like your feet are bigger than usual. Is it your imagination? No, it isn’t – it is estimated that as many as half of all Americans have experienced this problem, and there are very specific biological reasons for why it happens.