BBC News

People who experience frequent drops in blood pressure or dizziness when suddenly standing up are at increased risk of dementia, scientists say.

A shortlist of environmental factors that may contribute to the risk of developing dementia is drawn up by experts.

Nurse Kirsty Cass looks at how transgender-friendly the health service is.

The whole care market for older and disabled people in England could be at risk, the official regulator says.

Products that contain a cannabis-based ingredient called cannabidiol or CBD are medicines, UK regulatory body the MHRA says.

Prisoners with serious mental health issues are not being treated, a whistleblower tells the BBC.

Do you have questions about the NHS? Want to know more about the NHS? What do you think we should be finding out?

A Paris hospital opens France's first "shooting gallery" - a safe place where drug addicts can inject under medical supervision.

An NHS hospital is considering asking pregnant patients to prove they are eligible for free treatment by showing ID in a move to combat so-called health tourism.

A woman with schizophrenia says she is "very worried" over plans to close her local acute psychiatric unit.

The World Health Organisation throws its weight behind national governments who tax soft drinks because of their sugar content, saying a 20% price increase lowers consumption.

More than one in 10 children in Scotland have started primary school overweight or obese in the last decade, according to new figures.

Receptionists quizzing patients about why they need to see their doctor could be putting some sick people off visiting their surgery, a survey suggests.

The NHS is failing to meet the needs of transgender adults and children, says an NHS nurse who has first hand experience both as a transgender patient and a caregiver.

Six people are kept in hospital overnight after taking a "bad batch" of drugs, police say.

A police officer defies the odds and returns to work 18 months after suffering from locked-in syndrome.

Parents should be able to find about pupils' well-being from school league tables, says Sir Anthony Seldon.

As a YMCA report finds one in three young people with mental health difficulties experience stigma, Connie Free reveals how friends did not believe she was ill when she suffering from an eating disorder.

Prescriptions for type 2 diabetes rise by a third in England in the last five years, according to new analysis of NHS data.

Two MPs who know the pain and trauma of losing a baby are calling for more support for people affected by stillbirth or neonatal death.

A new cancer drug has been described as a potential "game changer", after promising results in the treatment of head and neck cancers.

An immunotherapy drug is described as a potential "game changer" in promising trial results on advanced cancers.

Women should be offered testosterone on the NHS to boost their flagging sex drives, a doctor has suggested.

Marie Stopes International has resumed pregnancy terminations seven weeks after they were suspended because of "serious concerns" about patient safety.

The former head of troubled Southern Health NHS trust, who was controversially moved to a new post in the organisation, has quit following months of pressure.

An Indian teenager with a 20cm long tail has had it removed by surgeons.

The plight of a four-year-old boy who nearly died after his parents gave him 12 alternative medicines prompts doctors to warn against the treatments.

A family is trying to raise £100,000 for a 12-year-old boy who needs pioneering treatment for a brain tumour.

A health authority is to deny operations to the obese and smokers for six months as a cost-cutting move.

A 15cmx10cm hairball has been removed from a woman with 'Rapunzel syndrome'.

The Scottish nurse who was treated for Ebola after returning from West Africa in 2014 tests negative for the disease.

A young woman who was nearly killed by meningitis shares photos of her rash-covered body in an attempt to raise awareness of the disease.

Working night shifts has "little or no effect" on a woman's risk of developing breast cancer, new research suggests.

Nick Triggle answers a reader's question on why the NHS continues to fund homeopathy in the UK.

A widow whose husband died after a private ambulance failed to spot he was starting to have a heart attack is suing the NHS and the private provider.

Suicides among people being cared for by community crisis teams are higher than hospital inpatient numbers, a report says.

Boys born to fathers who needed help conceiving grow up to have poorer sperm quality than peers conceived without help, a study has found.

Teenagers are better at learning from their experiences than adults, according to a American study of teen brains in the journal Neuron.

Researchers describe the injuries sustained by two people admitted to an accident and emergency unit in Arizona, which were connected to the popular monster-catching augmented reality smartphone game.

Wirral health bosses are stopping funding for homeopathy after "overwhelming consensus" to end the practice.

Some people are genetically wired to prefer the taste of fatty foods, putting them at increased risk of obesity, according to researchers.

A new survey of specialist nurses suggests mental health care for young people isn't good enough.

A toddler died a week after swallowing a button battery used in 3D TV glasses, an inquest finds.

The number of medical school places will increase by 25% in 2018 as ministers unveil plans to make the NHS in England "self-sufficient" in training doctors.

More than eight in 10 areas need to improve if England is going to meet its ambitious target of developing "world class" cancer care by 2020, according to an analysis by NHS bosses.

Girls in the UK are markedly less confident about their looks than they were five years ago, suggests research by Girlguiding.

A study linking the contraceptive pill with depression is met with relief, frustration and debate.

UK scientists believe urine could be used for a quick and simple way to test for CJD or "human mad cow disease".

The Royal College of Surgeons is offering patients seeking cosmetic surgery practical advice about how to pick the right hospital and doctor.

The problem of women being torn during childbirth has for years been exacerbated by improper care and an unwillingness to speak about the issue, experts say. Two women want to change this.