By Graeme Murray Researchers have revealed five ‘superfoods’ to help your skin, hair and even weight loss. Certain foods can improve stomach health and digestion. But there are also many other types of foods which can prevent hair loss and others which can bring a glow to your skin. Now scientists in South Korea have discovered kimchi which is less than £5 in high street supermarkets and costs very little to consume daily could stop weight gain. Scientists analysed 115,726 people who ate up to three servings of the fermented vegetable dish daily could lower the risk of obesity in men. The stud…