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Articles on Rare diseases

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Robert Wadlow is known as the tallest man who ever lived. Paille/Flickr

Unusual conditions: what are gigantism and acromegaly?

Gigantism and acromegaly are rare conditions where a benign tumour causes excessive production of growth hormone (GH), which stimulates the growth of the skeleton and all tissues in the body.
A typical elephant shark from the Melbourne Aquarium. Wikimedia/Fir0002/Flagstaffotos

Avoiding Medusa’s gaze: what sharks can tell us about a rare human disease

Some things that develop as normal in elephant sharks and other marine life can mimic things we see in human disease. That makes these ‘mutants’ ideal for study to find out why things go wrong in humans.
Encephalitis lethargica seemed to take over its victims’ mind with neurologic and psychiatric changes. Finizio

A viral infection of the mind? The curious case of encephalitis lethargica

Encephalitis lethargica, an infectious disorder that only once appeared in epidemic form (1916-1926), is largely forgotten now. But this curious illness provided significant insights into brain function…

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