Tuberculosis is back, complete with new and deadlier strains that kill 2 million people a year worldwide, but these days it's non-profit groups rather than big pharmaceutical companies that are leading the fight against it.

For decades, people suffering from chronic fatigue have struggled to convince others that they were not imagining their debilitating symptoms, but the syndrome is now finally gaining some official respect with nearly everyone agreeing that it is real.

Whilst the notion of nature as medicine is centuries old, until recently there has been little scientific evidence to support its healing powers , but researchers are establishing credible grounds for green prescriptions.

Medically unexplained physical symptoms such as those experienced by long-term pain-sufferers are one of the most common problems encountered by doctors, who can often only prescribe a programme of health coaching.

Australia faces a silent epidemic of hepatitis B, which afflicts up to 160,000 people, most of whom were born in places with high rates of the life-threatening disease and are reluctant to ask for help due to the fear of provoking anti-immigrant feelings.

Australia faces a silent epidemic of hepatitis B, which afflicts up to 160,000 people, most of whom were born in places with high rates of the life-threatening disease and are reluctant to ask for help for fear of provoking anti-immigrant feelings.

Meningitis targets the young and strikes with horrific speed, killing one in ten and causing disabilities for many others, but scientists have made a startling breakthrough with a potential vaccine that could consign the scourge to the history books.