Gene discovered that decides whether to "switch on" immune system and could control HIV

Scientists discover gene that decides whether to 'switch on' immune system and could control HIV Gene, called Arih2, makes decides whether to switch on the immune response to an infectionResearchers are looking at the effect on the immune response of switching gene off for short periodsSay it has potential to help treat chronic conditions | UPDATED: 15:50 GMT, 27 November 2012 A newly discovered gene could hold the key to treating and potentially controlling chronic infections such as HIV, hepatitis and tuberculosis.

Memo to workaholics: Go home on time tonight and have dinner with your family

Memo to workaholics: Go home on time tonight and have dinner with your familyToday is national Go Home On Time Day | UPDATED: 01:26 GMT, 26 September 2012 You”ve clocked in early to write that report, skipped lunch to finish the filing – and there’s still a pesky pile of paperwork to approve.

I want to enjoy my last days – not waste them having chemo: Doctor Kate Granger tells why she"s stopped the treatment that could prolong her life

I want to enjoy my last days – not waste them having chemo: Doctor Kate Granger tells why she's stopped the treatment that could prolong her life | UPDATED: 21:33 GMT, 1 October 2012 A year ago, Dr Kate Granger was diagnosed with terminal cancer aged 29.

That’s my girl with the gorilla… but she’s totally safe, says father who has released 20-year-old home video to show how “gentle andnoble and wonderful” great apes are

That”s my girl with the gorilla… but she”s totally safe, says father who has released 20-year-old home video to show how “gentle and noble and wonderful” great apes are 18-month-old Tansy Aspinall played with the gorillas in their pen at Howletts Wild Animal Park in KentFather thinks he is doing gorillas “a service” by posting the video online and revealing their gentle natureGambling Grandfather bought Howletts after a big win on the tablesFilled it with many other animals including tigers and wolves

Heart transplant: This is the moment a mother met the heart transplant patient whose life her dead son saved

You're the man with my son's heart! This is the moment a mother met the heart transplant patient whose life her dead son saved | UPDATED: 11:17 GMT, 11 September 2012 With arms spread wide and beaming with joy, Bobby Doherty and Margaret Valsechi meet for the first time.

Melanie Sykes: "Being fit has improved my sex life by 100 per cent"

'Being fit has improved my sex life by 100 per cent': Under the microscope with Melanie Sykes | UPDATED: 23:37 GMT, 20 August 2012 The TV presenter, 42, on having breast surgery, being a light sleeper and why she doesn't need to diet 'I had a boob job two years ago and it's one of the best things I've ever done,' said Melanie Sykes DO YOU GET YOUR FIVE A DAY Truthfully, no.

"I"m just an average person": 20-year-old becomes the youngest ever Good Samaritan organ donor in Britain after giving his kidney to a…

'I'm just an average person': 20-year-old becomes the youngest ever Good Samaritan organ donor in Britain after giving his kidney to a complete strangerSam Nagy took the decision despite his mother expressing her concerns | UPDATED: 18:40 GMT, 29 July 2012 Brave: Sam Nagy has just become the youngest ever 'Good Samaritan' organ donor in Britain Risking your own life for a complete stranger is a tough decision at any age.

Wife gives husband a precious gift for silver wedding anniversary – one of her kidneys

Wife gives husband a precious gift for silver wedding anniversary – one of her kidneys It wasn't a difficult decision, says devoted wife | UPDATED: 16:19 GMT, 19 July 2012 A wife gave her husband a silver wedding anniversary gift worth far more than any trinket or keepsake – one of her own kidneys.

Nine out of 10 NHS Trusts are "rationing operations"

Nine out of 10 NHS Trusts are 'rationing operations' Two thirds of trusts limited cataract surgeryMore than half limited hip and knee operationsHealth Minister calls restrictions 'totally unacceptable' | UPDATED: 10:56 GMT, 19 June 2012 NHS hospitals are rationing the number of operations they perform to balance their budgets.