Plastic surgeon Stephen Mulholland from the UK reported, that jogging outdoors is a major cause of premature skin aging. This is explained by the fact, that jogging is one of the best ways to burn fat, but it also makes the skin on the face of a more subtle, much faster results in the formation of deep wrinkles, especially bright this effect is seen in people older than 40 years. Jogging in a modern city also leads to the appearance of the characteristic brown spots and characteristic wrinkled neck. So, Stephen Mulholland advises his clients to go in for sports indoors.