Twelve per cent of Australians are taking too many painkillers, prompting doctors to warn about the harmful - and sometimes fatal - consequences.

Melbourne-made treatment for children with deadly peanut allergy may soon be widely available.

Expanding the definition of polycystic ovary syndrome has increased its prevalence and caused psychological harm, but brought no clear benefits, Australian researchers say.

A study found the adult brain can generate new nerve cells in the amygdala, the region that produces feelings of fear and dread.

Prescribing drugs is something junior doctors and medical practitioners in Australia lack confidence in, according to research.

Australian researchers have found that as humans settle in new areas, bat colonies move in too.

Some urology surgeons are charging over $40,000 more for the same prostate cancer surgery their peers perform for a fraction of the cost, the latest Medibank data shows.

A Sydney hospital is experiencing great success with its program that aims to slash the amount of opioids being prescribed to patients on discharge.

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Some surgeons are charging thousands of dollars more than their colleagues for the same orthopaedic operation, leaving patients with up to $5500 in out-of-pocket costs.

Not one of the state's hospitals got an A when junior doctors graded their performance.

Julie has suffered 13 miscarriages. But after reading about new research showing a possible cause, she has new hope.

Multiple birth defects like Sophia's heart condition could be prevented thanks to a blockbuster medical breakthrough.

The doctor was allowed to keep practising under supervision because of his previous "unblemished record".

A radical new report urges the federal government to improve access to treatment for rare cancer patients.

Doctors at a hospital in Perth were bewildered when a 30-year-old woman showed up with intense stomach pains.

The Royal Children's Hospital has seen an increase of almost 50 per cent in flu cases so far this season.

Got back pain? Think once, twice and then again before taking any opioid-based painkillers, warn international experts after the release of groundbreaking new research.

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In an Australian-first clinical trial leukaemia and lymphoma patients will have access to potentially life-saving immunotherapy treatment.

Despite Christine Drinnan's growing opioid tolerance, doctors kept prescribing more, and in stronger doses.

A new report may shift understanding about the level of risk for women giving birth over 35.

Hela stole away to a gynaecologst two years after she was married. She was punished for it.

United will raise awareness for breast cancer and honour a club legend on Saturday and Sunday.

A recommendation to fund a genetic screening test will ease the financial burden on parents who carry genetic abnormalities.

CHOICE has called on the federal government to stop propping up ''junk'' health insurance policies with tax breaks and rebates.

A slew of gastroenteritis outbreaks have landed almost 2000 people in NSW emergency departments in the past week, health authorities say.

Jessica Sheehan is 18 but she lives with a disease that is often described as "childhood Alzheimer's".

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Doctors are trying to cut back on tests and treatments that are unnecessary, a waste of time and money, and potentially harmful.

The rise of superbugs has seen global health experts urge farmers to limit antibiotic use. But one salmon company says diseases have forced it to increase the dosage over the past few years.

With 22 per cent of children considered overweight or obese, the NSW chief health officer is urging parents to increase vegetable consumption.