Has anyone done brain stimulation? Is it really better than caffeine? Apparently it's pretty safe and companies are coming out with brain stimulator products that work better than coffee. The research on creativity + athletic abilities is inconsistent, but it seems to consistently work at waking you up and helping with concentration. I've heard foc.us has unsafe devices that spike in currents. Has anyone tried a tcds device? Did it work? Who did you buy it from or did you make it yourself? |