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Online Feature

Food for fitness: is it better to eat before or after exercise?

By David Bentley

There’s a lot of confusion surrounding food intake and exercise – is it better to eat beforehand or afterwards? And what type of exercise benefits most from eating?

Eating before exercising is important for preparing to and recovering from exercise, especially in athletic competitions. Food contains potential energy or fuel that helps muscles continue to contract during exercise, especially exercise of long duration (more than 60 minutes).

But it’s common for people to not eat before exercise because they tend to be concerned it will make them feel sluggish, or cause cramps or an upset stomach.

Informed consent: why some foods should carry a cancer risk warning

By Clare Collins

It’s time to begin making consumers aware of the cancer risk associated with regular consumption of particular foods and drinks through front-of-pack warning labels.

The evidence that smoking causes lung cancer is definitive. It took a few decades, but cigarette packs now carry prominent health warnings to alert us to this risk.

When it comes to dietary patterns, convincing evidence collated by the World Cancer Research Fund also shows that regular consumption of some foods and drinks increases the risk for specific cancers.

US set to restrict trans fats, but should Australia follow?

By Gary Sacks, Helen Trevena and Shauna Downs

While Australia has few specific regulations around trans fats, US food manufacturers will soon need permission to include them in their products. Should Australia be doing more to remove trans fats from its food supply?

The increased supply and marketing of processed food high in fat, sugar and salt are recognised as the major drivers of obesity and diet-related diseases globally.