More than 1 billion people smoke, even though the effects on our health are well documented. So what exactly does smoking cigarettes do to our bodies? Find out here on AllTime Numbers! Watch Colin F...
233 VistasHaving trouble sleeping? Always dreaming about sex in black and white? You're not alone. Learn more about sleep with Alltime Numbers! This video was a collaboration with the amazing BrainSt...
195 Vistas