All the latest news and photos of famous men and women who have various tattoos and pictures of their newest body art. Celebrities such as Miley Cyrus, David Beckham and Justin Bieber have become ...

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When we're lying on the beach, the heat of the sun affects our endocrine system - the part of our body which secretes endorphins - the natural chemicals in our body designed to make us feel ...

among them the beta-endorphins, natural painkillers that can also alleviate anxiety.' As well as sex, Dr Weeks and his team of researchers found that any form of regular exercise helped preserve ...