President-elect Donald Trump's pick of Robert F. Kennedy Jr. to lead the Department of Health and Human Services has brought back a debate about fluoride in drinking water that many thought was settled decades ago. Meg Oliver takes a look at how a lack of fluoride can affect dental health.
Iranian-Americans poured into the streets of LA to celebrate the death of Supreme Leader Ayatollah Ali Khamenei during the U.S.-Israel strikes, but fears are also present for loved ones still in Iran....