March 16, 2009 10:04 pm Should Everyone be on Ritalin? People who have not been diagnosed with narcolepsy or A.D.D. are taking cognitive enhancing drugs, but the side effects could outweigh the apparent benefits. US & World Videos 4:06 Kelly Clarkson surprises lucky audience member with celebrity gift bag 2:27 Emma Stone dazzles with co-star Joe Alwyn at Cannes Film Festival 3:02 Mia Rubín shares biggest business lessons parents have taught her ahead of debut album release 3:49 Tyra Banks opens up about motherhood and reveals how Jennifer Lopez inspired her 4:40 Whoopi Goldberg defends Harrison Butker amid speech backlash