Dry mouth syndrome
Dry mouth syndrome is when you don't produce enough saliva. For some, it's annoying; others find it affects the health of their teeth and gums.
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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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Sjögren’s syndrome
Sjögren's syndrome is an autoimmune condition that commonly affects your eyes and salivary glands. Here's how your doctor may diagnose it.
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St John's wort
St John's wort can treat mild-to-moderate depression. It isn't safe for everyone, and can even be dangerous for some. Learn if it's right for you.
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Dehydration
Dehydration occurs when your body doesn't get enough fluids. If you are severely dehydrated, this can cause problems. Learn about dehydration signs.
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Rotavirus infection
Rotavirus is a viral illness that can cause severe diarrhoea. Learn more about the cause, symptoms, prevention and treatment for rotavirus.
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Dental erosion
Dental erosion is when some of the enamel surface of your teeth is dissolved by acids. Find out about the causes and how to prevent dental erosion.
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Cholera
Cholera is an illness that gives you severe diarrhoea and dehydration. It’s mostly found in parts of the world with poor water and sanitation.
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Motion sickness
Motion (or travel) sickness is when you feel unwell due to movement on any type of transport. Find out how to prevent and treat motion sickness.
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Drugs in sport
Using drugs to give your performance an edge can also affect your health. Learn more about what damage drugs can do to your health.
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