red lights on his head (“boosts mitochondrial function,” he says) This seems to be about http://en.wikipedia.org/wiki/Hemoencephalography http://en.wikipedia.o

red lights on his head (“boosts mitochondrial function,” he says) This seems to be about http://en.wikipedia.org/wiki/Hemoencephalography http://en.wikipedia.org/wiki/Hemoencephalography (in case you are going "What?", as I was). His company sells a machine for it.