People are notorious for under-reporting what they consume — they lie, forget or just guess wrong. For researchers who want to know how much soda we’re drinking, a high-tech analysis technique could help.
How can you be sure those cherries or plums from the farmers market are really local or organic? Last year, a TV station in Los Angeles found vendors making false claims — including stalls selling produce bought from wholesalers. KQED’s Forum discusses new proposals to increase enforcement, and find out how consumers can ensure they’re getting the genuine artichoke.