Shiftwork
Monday, 1 Jan, 0001

The sleep-wake cycle appears to have evolved for humans to be awake during the day and to sleep for …

Shingles
Monday, 1 Jan, 0001

Shingles, also known as herpes zoster, is caused by the varicella zoster virus, which is also …

Shock
Monday, 1 Jan, 0001

Most people think of ‘shock’ as emotional distress or sudden fright in response to a traumatic …

Sinusitis
Monday, 1 Jan, 0001

Sinusitis means infection or inflammation of the sinuses The sinuses are air-filled spaces within …

Smallpox
Monday, 1 Jan, 0001

Smallpox is caused by the variola virus, an orthopoxvirus. Smallpox was once a feared and highly …

Snoring
Monday, 1 Jan, 0001

It’s estimated that around 20 per cent of the population snores at night. Snoring isn’t physically …