Summer is well and truly here and out come the ever faithful quick and easy flip flops. But are they any good for our feet? Here are a few facts and tips that may keep your feet more comfortable this summer. Interesting Stats The NHS spends almost £40million a year treating injuries caused by the casual flip flop. More than 200,000 people visit their GP or even end up in hospital every year after suffering falls or developing long-term problems. Flip-flops are one of the most popular shoes among women, with 15million wearing them a day in summer, according to shoe firm MBT which obtained the figures. One in five women own at least one pair So Why are they potentially a problem for our feet?