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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Worried about your memory?

You might be worried that your memory isn't what it used to be. Learn more about what can cause memory loss and when you should see a doctor.

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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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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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Heart palpitations

When you have palpitations you are suddenly aware of your heartbeat. Read about the causes, related symptoms and what to do if you have palpitations.

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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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Potassium and your health

Potassium is a mineral that your body needs so that your nerves and muscles function well. Read more about potassium and its impact on your health.

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Healthy eating for children

Healthy eating habits in children help them stay well and helps prevent illness. Learn about balanced diets, portion sizes and managing allergies.

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Allergic reactions to cow's milk

Allergic reactions to cow’s milk are very common. It is seen in about 1 in 50 infants. Learn more here about allergy to milk proteins.

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Foods high in potassium

You need potassium in your diet so that your nerves and muscles function properly. Learn about which foods are good sources of potassium.

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Itchy anus (pruritus ani)

Itchy anus, or pruritus ani is common and can be extremely intense and persistent. Read about causes, treatment and when to see a doctor.

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Foods high in iodine

Foods high in iodine include seafood, dairy food and packaged bread. Learn more about iodine and how to get enough iodine in your diet.

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Mouth sores and ulcers (canker sores)

An ulcer is a common type of mouth sore. It can make everyday tasks like brushing your teeth, talking, eating and drinking feel uncomfortable.

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Malnutrition

Malnutrition is when your diet does not contain the right amount of nutrients needed to maintain healthy body function. Learn the risks and treatment.

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Kilojoules

Kilojoules are a way to measure both the energy in food and drink and the energy the body uses. Find out more about kilojoules and how many you need.

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Egg allergy

Egg allergy usually starts in infancy, but most children grow out of it. Learn about the symptoms and diagnosis of egg allergy, and ways to avoid egg.

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Anaemia medicines

Anaemia medicine is mostly used to treat iron-deficiency anaemia. Learn how this medicine works, who takes it and associated side effects.

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Bedwetting in older children

Bedwetting can happen when children don't wake up when they need to urinate (do a wee). There are things you can do to help your child stay dry.

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Food intolerance and testing

Food intolerances cause an upset stomach and affect your quality of life. They are not allergies. Read more about how they are diagnosed and treated.

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Cluster headache

Cluster headaches are rare and occur in groups, or clusters. Learn more about the causes, symptoms, treatment and prevention of cluster headaches.

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Gluten-free diet

Find out the importance of a gluten-free diet for people with coeliac disease and other conditions.

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A balanced diet

It's important to eat a balanced diet. Make sure you choose foods from the 5 food groups. The amounts you need vary depending on your life stage.

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Ovarian cysts

An ovarian cyst is a fluid-filled sac in the ovary and is common. Learn more about the types of cysts, symptoms and treatments and when to seek care.

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Indigestion (dyspepsia)

Indigestion (dyspepsia) is a discomfort in your chest or tummy which usually happens after eating or drinking. Learn about treatments which can help.

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Heartburn

Heartburn is a burning pain or discomfort in the chest caused by acid reflux. Find out about the triggers for heartburn and how to relieve it.

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