ABC News reports a new study suggesting that St. John’s wort is not a useful treatment for attention deficit hyperactivity disorder, or ADHD. Although the researchers only studied 54 children between 6 and 17 years old who have ADHD for eight weeks, the study design was the gold standard randomized controlled trial. And, they found that St. John’s wort was no better than placebo when it came to improving the children’s attentiveness or hyperactivity.

Here are my takes on some of today’s health headlines.

If Dad is not involved in child care, can we blame the mom?