Semen Switch, Chewing Gum, Creatine Cheat, Cancer Plants, and Bedtime Risk : 1467

A single creatine dose sharpens your sleep-deprived brain, your gum is loading you with microplastics, irregular bedtimes may double your heart attack risk, scientists just decoded a plant molecule that kills cancer cells in the lab, and researchers built a reversible on/off switch for sperm production with no hormones required.