If your child sometimes has trouble sleeping, it may be easy to chalk it up to a phase they will grow out of one day. But a new study suggests…

Over-the-counter protein powders may contain disturbing levels of lead and cadmium, with the highest amounts found in plant-based, organic and chocolate-flavored products, according to a new investigation. There is no…

Lead and other toxic heavy metals have been found in dangerously elevated amounts in some commercial baby foods sold in the United States, yet parents have had no way to…

For the first time in history, the US Food and Drug Administration has established guidance for levels of lead in processed baby foods that are sold on supermarket shelves and…

Sugary drinks may leave a sour taste given their possible impact on mortality, according to a new study. “This is a public health crisis, requiring urgent action,” said the study’s…

The award-winning Mediterranean diet has done it again, capturing 2025’s “best of the best” award from U.S. News & World Report, which puts out a yearly list of the most…

Health The brain’s gatekeepers Differences in neuronal activation in mice with intact immune cells called regulatory T cells or Tregs (left) and depleted Tregs (right). The finding demonstrates that Tregs…

Health How exactly does ketamine work? New research offers insight. Marc Duque Ramírez in the lab. Photos by Grace DuVal Clea Simon Harvard Correspondent January 27, 2025 4 min read…

Health New study maps the ‘dental deserts’ in the U.S. — and there are lots of them Harvard research shows 1.7 million lack access to care Heather Denny HSDM Communications…

Health Now that we have new ‘miracle’ diet drugs, what’s the point of exercising? Getty Images Anna Lamb Harvard Staff Writer January 17, 2025 6 min read Experts say weight…