The oncologist accused of underdosing more than 100 cancer patients has stood by his treatment decisions, suggesting the current dosing guidelines may have caused them more harm, a parliamentary inquiry has heard.

Children with prolonged vitamin D deficiency in the first decade of life are more likely to develop asthma and allergies, according to a new study.

The stereotypical image of young drunk men injuring themselves on King Street is being overtaken by a quieter epidemic of inebriated men in their 40s and 50s, new research suggests.

Medical students victimised and belittled by senior colleagues or professors are silenced from reporting the harassment or bullying for fear they will be "marked for life" and find their career progress blocked as a result, a Senate inquiry has heard.

Regional Victorians are using dramatically more ice, alcohol and nicotine than their Melbourne counterparts who seem more partial to cocaine, a new analysis of the state's sewage has found.

If you think your health insurance policy covers that, you might want to check again.

This snake is a freak. It boasts the largest venom glands in the world. It eats king cobras for breakfast. And it has a scorpion's sting. But that's not what has scientists excited.

Budding cannabis producers can now apply for a licence to grow the crop legally in Australia, for medicinal use only.

Pain specialists are concerned about the next generation of prescription drug addicts.

​The Australian Red Cross Blood Service has urged blood donors not to abandon it over its leak of 550,000 donors' personal details, one of the largest data breaches in Australia's history.

A deregistered doctor who injected huge doses of cannabis oil into two women with ovarian cancer has been reported to the police after one patient died and the other suffered major complications.

An Australian woman's exceptional survival has the potential to affect every patient in Australia within a decade.

Health authorities believe that the death of a preschooler on Sunday was not related to a gastro outbreak at their childcare centre on the lower north shore.

Herbal supplement giant Swisse Wellness has signed a multi-million dollar, three-year research deal with the country's peak scientific organisation - to investigate its own product claims.

Janelle Williams knew nothing about allergies or anaphylaxis when she walked into her doctor's practice five years ago, covered in hives, eyes swollen shut and struggling to breathe.

Young women are now as likely to be drinkers as men and face similar levels of problem drinking and related harm, researchers say.

Camilla Whittington has always been drawn to seahorses. Sure, the mysterious marine creatures are beautiful. But that's not what caught her imagination.

The number of Australians hospitalised every year after falling from a ladder has surged nearly 50 per cent over a decade, coinciding with the rise in popularity of do-it-yourself television programs, a review of medical data has found.

They say that these mothers experience a level of stress comparable to that of a combat soldier.

Nearly three times as many people die each year from falls than car crashes in Australia. Yet international experts say "fall" is often a four-letter word, something many people are reluctant to discuss with those closest to them for fear they will lose independence.

Doctors say they have borne the cost of the Medicare freeze, but soon it will be your turn.

When teenage student Breanna Johnson started her project on the brain, she had no idea of the challenge which lay ahead.

Researchers have observed for the first time how villainous cancer cells attack and destroy the bone of leukaemia patients using a new "street view' system to zoom in and spy on the invaders.

Complaints about health insurance have hit a record high, driven by one company.

Volunteers are being sought for a major new drug trial aimed at slowing or halting Alzheimer's disease.

A new study shows cervical cancer screening is of limited benefit to younger women.

Lillian Leigh's story highlights the inequities that bedevil the treatment regimes available to different classes of cancer patients.

Australian researchers have discovered that peptides contained in the milk of Tasmanian devils can kill some of the most deadly bacterial and fungal infections, including golden staph.

Kerry Moore wondered what was causing her young son's vision loss. The answer was in her pantry.