Johann Hari: They were great at first – but then the creativity dries up
Last year, I had my own brief experiment with smart drugs. I felt burned out after a series of long foreign assignments, and my brain was rustily chug-chugging along at half-speed. That’s when I first read about a drug being billed as “Viagra for the brain” – not Ritalin, but Provigil, a brand name for [...]