UK health officials probe possible flu jab link to narcolepsy in children
Investigation centres on Pandemrix vaccine used extensively during 'swine flu' pandemic in 2009/10
Magic cells: babies who save lives
Stem cell science is still in its infancy, but blood donated from healthy babies' umbilical cords is already saving lives, hears Joanna Moorhead
I oppose the bill, but don’t idealise the NHS. There’s room to improve
Deborah Orr: My family is from one of the parts of the country that is, statistically, less well-served by the health service. I'm not bitter, but the NHS did not save my father's life
The Ashley treatment: ‘Her life is as good as we can possibly make it’
In an exclusive email exchange, Ashley's father talks to Ed Pilkington about his daughter's condition, her growth attenuation treatment – and the criticism his family has faced
Dr Dillner’s health dilemmas: is shaking hands a health hazard?
Luisa Dillner wonders whether it really is a dangerous habit
Gene therapy cures life-threatening lung infection in teenage boy
Doctors used the new technique to temporarily boost the immune system of the boy, who has an inherited condition
Why we sued Simon Singh: the British Chiropractic Association speaks
Edzard Ernst: The BCA gives a fascinating account of why it sued the writer for libel over an article in the Guardian, and the aftermath of its defeat
Older mothers may be more prone to depression than younger women
Preliminary study suggests risk of depression is five times as high among women who have children later in life
Death by denial: The campaigners who continue to deny HIV causes Aids
Brian Deer: As each of their followers dies, those who campaign against HIV treatments simply move on to the next level of denial
Vaccine developed to protect against norovirus or ‘winter vomiting bug’
A vaccine for norovirus, which is highly infectious and is difficult to kill by cleaning, could be availabe within five years