When I was a young adult living under my parents’ roof, my late father always made sure I had Beanee Weenees, Vienna sausage, potted meat and other such snacks to take to my graveyard-shift factory job.
Of course, I appreciated the display of paternal love; but Chris van Tulleken, author of “Ultra-Processed People,” would probably be aghast.
Granted, van Tulleken is not alone in sounding a...