Advances in science and medical research and public health policies have meant that life expectancy for Australians is one of the highest in the world.

Advances in science and medical research and public health policies have meant that life expectancy for Australians is one of the highest in the world.

And I believe that the best buy in public health today must be a combination of regular physical exercise and a healthy diet.

And I believe that the best buy in public health today must be a combination of regular physical exercise and a healthy diet.