Seven-year-old boy suffers from a rare genetic condition which means he cannot stop smiling
  • 5 years ago
A seven-year-old boy suffers from a rare genetic condition which means he cannot stop SMILING.

Evan Clarkson was born with Angelman syndrome – a chromosome disorder which causes severe learning difficulties – and puts a permanent grin on his face.

The easily excitable youngster always appears happy and smiles or laughs as a result of the rare condition, which affects fewer than 1,000 people in the UK.
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