Should you exercise for longer or are short, sharp bursts of exercise better for longevity? The good doctor sifts through the research and finds the answers.

There are plenty of reasons why you need to get a good night's sleep and here are five things you need to know to help you get there.

Scientists have discovered some new drugs that have been able to stop the ageing process in mice.

It's my opinion that it is irresponsible not to screen people but the results should always be carefully explained and interpreted with great care and caution.

Statins do have a proven benefit in lowering cardiovascular risk but the problem comes down to simple analysis of cost versus benefit.

If you can't be absolutely sure that what you buy has been tested, growing your own fruit and vegetables might be the best choice.

Three trials of the medical use of cannabis in NSW were announced late last year but if the US is anything to go by, this could be the beginning of a much wider approval of the drug.

As we head towards a new year, and in the wake of holiday feasting, there is no better time to review our eating habits and look to adapt healthier practices.

Use the holiday period wisely. Try not to overindulge too much, avoid family friction and recharge the batteries for a great 2015.

It's a horrible drug but becoming as normal as putting on a pair of shoes for some sections of the community. The Prime Minister needs to start taking control of the situation before it grips more people in its vice.

Bondi’s shark nets have ensured that there hasn’t been a fatal attack there since the 1930s, but Western Australia hasn’t been so lucky.

It may be an essential part of modern day life for many people, but the detrimental effects of working odd hours can add up.