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Toxic relationships are linked to cancer, depression and heart disease Scientists at UCLA's school of medicine have found that negative social interactions can lead to increased inflammation, which may in turn cause a host of illnesses. Diana and The Queen: Her Majesty was the Princess's greatest supporter, sending her to a psychiatrist and hosting a family therapy session In 1995, when over 23 million British viewers watched the princess nervously but deftly answer the questions of Martin Bashir on Panorama. The Queen was not impressed. China: There's more to it than pandas explains wildlife presenter Nigel Marven Here’s a challenge. Name one of China’s animal national treasures… not counting the giant panda – that’s too easy. ‘I want to get across that there’s much more to China than giant pandas,’ explains wildlife presenter Nigel Marven. Ainsley Harriott remembers being a bit of a show-off and playing the recorder This photo was taken at Honeywell, my primary school in Wandsworth, south London, when I was seven years old. I loved that school and it still has a fabulous reputation. BBC's Inside Men: TV thriller shows what happened when 3 men couldn't resist the lure What lengths would you go to in order to give your family a luxury lifestyle? Spend all your spare cash on lottery tickets? Put everything on black at the roulette wheel? Stephanie Beacham: My biggest regret? Not investing in Starbucks We ask a celebrity a set of devilishly probing questions – and only accept THE definitive answer. This week: Dynasty legend Stephanie Beacham