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.
As many as 28% of DSA members made more than $100,000, and 56% have cushy office jobs in academia, tech, the public or non-profit sector, white-collar work or health care....