To explain why we have a mitochondria, we have to go back about two billion years to a time when none of the complexity of life as we see it today existed.
A vaccine recommendation from a health professional and convenient access will make the biggest difference to uptake.
Exercise practitioners are taught to help us set goals to get active. But the way we set goals may be unhelpful, or worse, make it even harder for us to exercise.
Australia was ranked top of the world in terms of the efficiency of our health care system and health outcomes, but only seventh in terms of equity.
The hallmark of a Buruli ulcer is a sore, usually on the legs or arms, which slowly enlarges over weeks to months.
NSW has changed its laws imposing criminal penalties on someone with an STI who doesn't take "reasonable precautions" to not infect their sexual partner.
Why is it the flu virus is so deadly compared to the common cold virus?
Surrogacy is fraught with uncertainties. Proposed regulation, inspired by the way the caring professions are regulated, would protect the surrogate and provide certainty about legal parentage.
Currently the Family Court has to decide for parents and teens whether or not transgender young people can get the hormone treatment they need. This could change today.
New Zealand's health service provides universal and free access to health care, but inequities remain stubbornly high.
Dried and frozen fruit contain more sugar than their fresh equivalents. So, why do we think they're healthy?
Evacuating nursing home residents during a disaster can be even more dangerous than staying put.
The first generation of medical artificial intelligence systems are already rolling out to clinics. What are the plus- and down-sides?
Here's how reporting of the world's first specific advice on reducing inactivity at work has overplayed the role of standing desks.
Reader Adam Barclay, 44, wants to know if someone his age has any chance of living forever.
Private patients who stay in hospital for costly rehab after major knee surgery recover just as fast as people who go home and have physiotherapy. So, why pay more?
Tuberculosis has had a significant impact on the world, from influencing fashion trends to helping understand how the human body works.
Manuka honey has a lot of evidence-based benefits, and a lot of rubbish claims too.
Much has been written about success of Indigenous players at elite levels of the game. But perhaps the more important story is one of Indigenous participation in grass roots and community football.
Taking a power nap on a night shift can leave you feeling groggy. And eating a large meal can reduce your alertness. So, what's a tired shift worker to do to make it through the night?
Depending on the overall quality of your diet and intake of saturated fats, you may need to swap your butter for margarine.
Most of the evidence drawn on by critics of the trial comes from places that have implemented such programs. So, have they worked?
We know we need to cut back on sugar, and focussing on eating more whole foods can help change our desire for sweetness.
From the moment their baby is born, Australian parents receive conflicting advice on how to cope with newborn issues. What we are doing wastes our resources, but we're not investing in alternatives.
After the tragic death of a young woman undergoing a cosmetic procedure, people are rightly asking who should be able to administer anaesthetics.