Examining the claim that cabbage family vegetables are bad for the thyroid; Walmart announces sweeping move to reformulate its products without synthetic dyes, sketchy additives; Under Congressional questioning, Google admits to censoring contrary narratives on YouTube during Covid; Children garner psychological benefits from grandparent time; J&J fined nearly $1 billion in landmark talc baby powder lawsuit; Humans are among the few animals who can’t make their own vitamin C—why that may be a good thing.