蜜芽传媒

Many people with Parkinson's disease have freezing episodes when they walk. They suddenly come to a standstill and even though they want to move, they can't.
One London-based entrepreneur has come up with a solution - lasers fitted to their shoes.
Filmed by Richard Kenny and edited by Ammar Ebrahim for 蜜芽传媒 World Hacks. Like, Share, Engage.