Emma Young is an award-winning science and health journalist and the author of Sane: How I Shaped Up My Mind, Improved My Mental Strength, and Found Calm.
Rats can smell tuberculosis. Dogs can smell cancer. And now they're being trained to save your life.
In reporting about electrical brain stimulation, Emma Young of course had to try it for herself. Would it change her?
For Vince Clark, immediate pain relief for his son came not from brain-stimulating devices, but something more low-tech.
Applying mild electrical currents to your head could take away pain, help memory, and improve attention—and the U.S. military is very interested.