Diana Mager, 33, (right) was being treated at Green Parks House psychiatric unit in Orpington, Kent, after suffering a severe form of post-natal depression after giving birth to Sofia in November 2011. The HSBC risk manager (pictured with her husband Adam on their wedding day, left), who was self-harming and battling chronic anxiety, was admitted in June 2012 but committed suicide in August, at a time when she was being checked every 15 minutes.

There's nothing like a warning from the doctors to spur on a health kick. At least, that's what worked for super-slimmer Steven Goodwin who lost 17 stone in just one year after doctors warned him he was just days from death. Goodwin, 39, tipped the scales at 30 stone after years on a diet of takeaways and microwave ready meals - washed down with litres of full fat coke. Steven from Carlton, Nottingham, got so large he could no longer bend over to tie his shoe laces and needed to use two walking sticks to stand up. He became a recluse, not leaving his home for a year and continuing to eat up to 4,000 calories a day.

Alice Walker, 19, was taken to her optician in Allestree for a regular check-up after battling nausea and severe headaches for months. Less than a week later she underwent intensive brain surgery (right) to remove a tumour which had been preventing fluid draining from her brain. Doctors were able to remove 98 per cent of the noncancerous growth and she is now feeling better.

These six persistent snorers were put through a nasal endoscopy, a sleep apnoea test to measure how many times they stop breathing in an hour and were also assessed for daytime sleepiness. Our experts analysed the results — with some fascinating insights into this universal problem which plagues between a third and a half of the UK population.

Emma Day, 27, from Cheltenham, has been taking high doses of iodine in her battle against the disease. As a result, she has been left radioactive - and must stay at least a metre away from her children for the next three weeks.

Rachel Hobbs, 23, fell to just 84 pounds (centre) before she unexpectedly fell pregnant five years ago (left). However, she said the birth of her son changed her life. The mother, of Guildford, Surrey, started training after having Finnley, now four, to raise her body confidence and promote positive self-image (pictured now, right). Her weight fell to six stone when she was 16 because of 'stress and worry' because her twin sister Nicola was suffering from anorexia.

Julia Taylor from East Devon suffers from electro-hypersensitivity (EHS), an allergy to man-made radiation. Jessica Sapphire from West Sussex, had to give up her job because of EHS. And Hannah Metcalfe believes EHS has prevented her from becoming pregnant. They believe they are allergic to atmospheric man-made radiation caused by wi-fi, phone signals, mobile phones, TV screens and fluorescent lights. In short, to modern life. The symptoms reported by sufferers of EHS range from headaches to nausea, sickness, severe abdominal pain, heavy bleeding and even blackouts.

Robert Airey, from Oxfordshire, was nine months old when he was diagnosed with pneumococcal meningitis and respiratory failure.The infection caused a series of minor strokes which left him close to death. It was then consultant paediatric neurologists Professor Colin Kennedy and Dr Neil Thomas took the unusual step of giving Robert daily doses of aspirin to dissolve the clots and reduce the swelling in his brain. The decision proved a defining moment as Robert has gone on to make a miraculous recovery.

Alan Ainsley posted a simple but moving message announcing the death of his wife Louise Page, from Edinburgh, last Sunday. Followers to her regular blog charting her battle with cancer left tributes to her, led by photographer Rankin who she met as part of his 'Alive: In the face of Death' exhibition. He wrote: 'I can't even begin to express my love and admiration for her.'

German doctors have successfully treated cerebral palsy in a child with umbilical cord blood for the first time. The unnamed two-year-old was left in a vegetative state after going into cardiac arrest and doctors thought he would die. But just weeks after being given an intravenous stem cell treatment, his symptoms had improved considerably and within months he could talk and move again.