Caffeine
Caffeine is a stimulant found in coffee, tea, chocolate and energy drinks. It acts on your brain and nervous system. Learn how caffeine affects you.
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Healthy food swaps
Need help to meet your health goals such as reducing your blood pressure or cholesterol? See healthdirect’s list of healthier food alternatives.
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Glycaemic index (GI)
The glycaemic index (GI) is a ranking of carbohydrate foods based on their immediate effect on blood glucose (blood sugar) levels. Learn more here.
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Ultra-processed foods: what are they and which ones should I avoid?
Ultra-processed foods are ready-to-eat products made in factories, mostly, lacking the nutrients you need for good health. Here’s a list.
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Sleep tips for children
Sleep is vital for a child's growth, learning and development. Find out how much sleep children need, and discover new ways to help them sleep well.
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Antioxidants
Antioxidants can neutralise free radicals in your body. Find out about foods high in antioxidants and when you should consider taking supplements.
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Worried about your memory?
You may be worried that your memory isn't what it used to be. Learn about the causes and prevention of memory loss, and when you should see a doctor.
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Flatulence
Flatulence is the passing of air or gas from the intestine and through the anus, often accompanied by a sound and smell. Read more about flatulence.
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Dietary fats
The body needs some fats and oils as part of a balanced diet. Some fats (unsaturated fats) are healthier than others (saturated and trans fats).
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Building resilience
Resilience is the ability to cope with difficult times. Learn how to build your resilience and cope with the setbacks, failures and stresses of life.
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