Tamim Hamid: Author of Grow It Back, How Laser Phototherapy Stops Hair Loss and Regrows Your Hair

What would make Tamim Hamid, a former NASA biomedical engineer working at the Kennedy Space Center invent a device that regrows hair and write a book about it? Well, today we're going to find out; he's the author of Grow It Back, How Laser Phototherapy Stops Hair Loss and Regrows Your Hair.