Science & Explainers

The pitch is irresistible: put on a headband, watch your own brainwaves on a screen, and gradually train your brain toward calmer, sharper, more focused states — no drugs, no side effects. Neurofeedback has been around for half a century, and a new wave of consumer EEG devices has brought it from the clinic to … Read more

Brain stimulation used to mean a clinic, a referral, and a machine the size of a microwave. That’s changing fast. In December 2025 the U.S. FDA approved the first prescription transcranial direct current stimulation (tDCS) device you can use at home for depression — a genuine milestone for a technology that has spent two decades … Read more