The use of prescription-only painkillers by athletes is hardly new, but debate about their (ab)use in Australia has recently been brought into focus by the emergency hospitalization of South Sydney NRL players Aaron Gray and Dylan Walker, both of whom suffered a life-threatening reaction to a combination of controlled drugs. These athletes were recovering from post-season surgery to address injuries, with painkillers prescribed by their surgeons to assist with post-operative discomfort.

Antioxidants have made a fortune for the dietary supplement industry, but how many people really know what they are and why they’re supposedly good for you? One common claim is that the these molecules can protect you from cancer. This is supposedly because they can counteract other molecules known as “reactive oxygen species” or “free radicals” that can be created in our cells and then damage DNA, potentially leading to cancer.

Since their first use in the 1960s, there has been a tremendous expansion of laser technology into an impressively wide range of uses, from fundamental science, health care and security to entertainment. Since Theodore Maiman’s first working laser at the Hughes Research Laboratory in 1960 more than 55,000 patents on laser technology have been filed in the United States alone.

Bipolar disorder is a diagnosis given to people who experience periods of intense low mood but also periods of elation and increased energy which can lead to impaired judgement and risky behaviour. The Royal College of Psychiatrists estimates that around 1% of the adult population experience bipolar symptoms at some point in their life.

Superbugs. MRSA. Hospital ward closures. Ten million people predicted to die. No new antibiotics.

As smoking continues its inexorable southward journey toward single-digit percentages of populations being smokers, it’s common to hear people say the smokers who remain are all “hard core”, heavily dependent smokers, impervious to policies and campaigns.

The argument runs that the ripe fruit of less addicted smokers have long fallen from the tree, and that today anyone still smoking will be unresponsive to the traditional suite of policies and motivational appeals. This argument is known as the “hardening hypothesis”.