Working out what makes Charlie Parkes ill is like fitting together "little pieces of a puzzle", his mum says.
A study will look at whether use of the HIV drug increases infection rates for other STIs.
Jilly Moss's daughter Alba spent eight days in a London hospital after contracting the viral illness.
The technology could eventually help those who have lost their voice to speak again.
Children under two should not be given screens or TV to keep them quiet, new guidelines say.
The medical team are able to extract huge amounts of information from tiny fragments of DNA.
Mike Davies spent 70 days in intensive care with meningococcal meningitis and septicaemia.
Doctors say his work on a woman now "virtually unable to walk" is deeply flawed.
Patients are now able to walk more freely as a result of electrical stimulation to their spines.
The use of self-injected dermal and lip fillers is rising, along with dangerous cosmetic surgery.
The treatment, developed over 30 years, is the first to give partial protection to children, WHO says.
Clinics are using "selective success rates" to target older women, the fertility watchdog warns.
Around 5,000 heart attacks and strokes a year could be prevented by personalising heart health checks.
Distance runner Gina Paletta warns how "under-fuelling" during training left her on crutches.
More than 2,200 people with learning disabilities are still being treated in hospitals, figures show.
Holly Eastall says she felt suicidal after being falsely accused of abuse following her baby's death.
Campaigners say children who wet the bed and have daytime accidents are "suffering in silence".
Leia was born profoundly deaf but pioneering surgery and therapy has enabled her to hear sounds.
Liz O'Riordan had to stop working as a breast cancer surgeon because of her own cancer. How did she move on?
A child known as Baby A became the subject of a high court case that has prompted Kenya to start changing its approach to intersex children.
Why did a young man kill himself two years after being circumcised?
When Louise Moorhouse took part in a drug trial she was able to eat normally for the first time in her life.
Amber Davies opens up about having to dispose of her stoma bag while living with friends.
There is a growing trend for intravenous "vitamin" drips - but what are the risks? And do they even work?
Mandy Murray's husband Graham gave his kidney to someone in Belfast so his wife got a transplant in return.
A former army interpreter, blinded by an explosion in Afghanistan, prepares for the London Marathon.
Initial testing of the vaccine, developed over 30 years, has shown a prevention rate of nearly 40%.
New World Health Organization guidelines say under twos should not have any sedentary screen time.
Paul Lambert had three strokes in 15 months but is not letting it stop him from taking on new physical challenges.
A campaign to highlight the dangers of cosmetic procedures is to be launched shortly by the government in England.