Caffeine

Caffeine is a stimulant found in coffee, teas, chocolate and energy drinks. It acts on your brain and nervous system. Learn more about caffeine here.

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Stomach ulcers

Stomach ulcers occur in the lining of your stomach. Be aware of the symptoms and get diagnosed early to treat ulcers and prevent complications.

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Gastrointestinal bleeding

Gastrointestinal (GI) bleeding can lead to vomiting blood or passing blood in stools. GI bleeding can be serious and may need emergency treatment.

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Fasting for medical tests

For some medical tests, fasting may be required for a period of time beforehand. Learn more about different tests and when fasting may be necessary.

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What to do if you are underweight

Being underweight could lead to health problems such as a weak immune system and bone fractures. Discover the causes, symptoms and when to get help.

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How to take care of yourself in a heatwave

Heatwaves can be life-threatening, with some groups more at risk than others. Here’s what you need to know about heat-related illness, such as heatstroke.

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Foods high in magnesium

Magnesium is a mineral essential for healthy muscles, nerves, bones and blood sugar levels. Find out which foods are high in magnesium.

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Acts of kindness and compassion

Most people feel better when someone is kind to them. Being kind and compassionate can help other people, and make you feel good too.

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Essential tremor

Essential tremor affects your nerves and causes uncontrollable shaking. Understand the difference between essential tremor and Parkinson's Disease.

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Neurofibromatosis

Neurofibromatosis is a manageable genetic condition characterised by benign tumours. Learn more about its symptoms, diagnosis and treatment options.

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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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Food, drink and mental health

Eating a balanced diet and drinking plenty of water can support your mental health and well-being. Learn how to make healthy eating habits.

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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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Hives (urticaria)

Hives is a skin rash that may be triggered by an infection or allergy. Learn more about hives rash (urticaria) it’s causes, symptoms and treatment.

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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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Ibuprofen

Ibuprofen treats fever and pain caused by inflammation. Learn more about how it works, how to take it and its possible side effects.

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Gallstones

Gallstones are pebble-like masses in your gallbladder that can cause pain, fever or jaundice. Find out about gallstone symptoms, treatment and causes.

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Postural orthostatic tachycardia syndrome (POTS)

Postural orthostatic tachycardia syndrome (POTS) causes a fast heartbeat and other symptoms when you stand up. Learn how to manage POTS.

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Halitosis (bad breath)

Halitosis (bad breath) is normal when you wake up, before cleaning your teeth. Sometimes halitosis can be a sign of another dental or medical problem.

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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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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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Cirrhosis of the liver

Cirrhosis is permanent liver scarring due to various liver diseases and conditions. Discover its nature, symptoms, and treatment options.

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Iron deficiency

Iron is an essential mineral for your body. Low iron levels can cause anaemia. Read about how iron deficiency can lead to health problems.

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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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Irritability and feeling on edge

Occasional irritability is normal. If you feel irritable or on edge all the time, it may be a symptom of a physical or mental health disorder.

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Teeth whitening

Teeth whitening is a way to remove stains or discolouration from your teeth. Learn more about the safest ways to whiten your teeth.

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Duodenal ulcer

Duodenal ulcers are a common cause of abdominal pain, but they can be treated. Learn what causes duodenal ulcers and how best to deal with them.

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How to start exercising

You don’t have to exercise to the point of collapse to get health benefits. This article shows you how simple it can be to get active.

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Rectal bleeding

Rectal bleeding should be investigated by a health professional. You can learn more about the symptoms and causes of rectal bleeding here.

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Burns and scalds

Burns and scalds cause damage to skin usually from exposure to heat. Read more about the symptoms, treatment, and pain management options.

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