Rebecca LeBard Latest articles by Rebecca LeBard Why Artificial Sweetener Can Be Dangerous (Op-Ed) By Rebecca LeBard published 20 June 14 Opinion Opinion Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Formaldehyde-free hair-straightening products may still threaten health, concerning study finds2'A truly unprecedented discovery': 3,000-year-old multicolored mural with fish, stars and gods discovered in Peru3'Cool gemstones' and 'fiery grime': James Webb telescope finds clues to Earth's origins in dazzling new view of Butterfly Nebula4'Now is the time': Hurricane category 6 could be introduced under new storm severity scale5Garmin Forerunner 970 review — A serious smartwatch for running pros