A drug developed to treat leukaemia may be a powerful new weapon against multiple sclerosis, early trials suggest.

A man is suing his former employer, claiming sex addiction drove him to visit "adult" internet chat rooms at work. But does sex addiction truly exist?

A Cornish sanctuary is looking after a rare hooded Arctic seal found washed up on a Tenerife beach.

Sharon Dobson wrote to the BBC News website to say she has incurable cancer, but has to pay for her own prescriptions - while people with other conditions are exempt from payment.

A 40-year-old woman training for a triathlon died after suffering a heart attack as she swam across a reservoir, an inquest hears.

Blood cancer patients who had stem-cell transplants are almost as healthy as others 10 years on, a study finds.

Fitting patients with a brain pacemaker could switch off hard-to-treat depression, believe UK experts.

The problem of underactive thyroids could help doctors understand how to beat breast cancer.

Campaigners want the system of exemption from prescription charges to be overhauled, claiming it is unfair.

Chronic pain may permanently shrink decision-making areas of the brain, researchers believe.

Parents of children with attention deficit hyperactive disorder (ADHD), often show signs of the condition themselves, research has suggested.

High levels of thyroid hormone during pregnancy can be harmful to the unborn baby, US research shows.

An investigation begins into how an unborn baby died after her parents were told to drive to a better-equipped maternity unit.

A Cornish woman suffering from dwarfism contracted CJD after receiving growth hormone treatment, an inquest hears.

Excessive tiredness or difficulty sleeping could indicate an impending heart attack in women, research suggests.

Northern Ireland is suffering from a shortage of psychologists who could help parents remodel their children's behaviour, according to leading doctor.

Thyroid problems can be misdiagnosed because doctors fail to recognise symptoms, patient campaigners say.

Research suggests women with thyroid disease are more likely to have babies with birth defects - but UK experts say there is no cause for alarm.

Pregnant women and their babies are being put at risk because the NHS does not routinely screen for thyroid problems, say doctors.

A 20-year-old woman who died after slipping into a diabetic coma died from natural causes aggravated by neglect, an inquest jury decides.