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A New Start After Christmas comes the anti-Christmas.If the festive season is all about filing up on the things you like that are bad for you，then the new year is the detox season-when people across the western world adopt special diets to lose weight and get rid of the vague feeling that they have spent the last few weeks poisoning themselves. But are detox diets really necessary?After all，the body itself gets rid of unwanted substances.Thats what the liver and kidney are for. The detox fad-or fads，as there are many methods-is an example of the capacity of people to believe in and pay for magic despite the lack of any sound evidence1，says Martin Wiseman，professor of human nutrition at the University of Southampton in the UK. Most of the pills，juices，teas and oils that are sold for their detoxifying effects on the body have no scientific foundation for their claims，according to the research.People would be better off having a glass.of water and going to bed early. Detox diets may be magic rather science，but they are the kind of magic which many people want to perform.That may have something to do with the western diet in general. Scientists and dieticians argue that the benefits people feel are not due to their body getting rid of excessive toxins but are due to changing from what is likely to have been apoor diet. | 
