A 'real-life Benjamin Button' has looked like an old man since he was a child due to an extremely rare condition. Watch him demonstrate that he's not letting the condition hold him back here:

Sammy Basso from Vicenza, Italy, was born with progeria, whereby a mutation in the Lamin A gene - which is responsible for providing strength and stability to the cell nucleus - causes a wide range of health issues in children which are usually only found in the very elderly.