Articles on Unusual conditions

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Society has long treated people with extra limbs as anatomical oddities. But having an extra body part or organ is surprisingly common and many people don’t know they have them. Ddicksson/Wikimedia Commons

An extra organ or body part is more common than you think

Most people don't know if they have a hidden extra organ. But they're surprisingly common and often harmless.
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.