A 4-year-old Montgomery County girl began gasping for air one evening in early 2021, and seemed unusually drowsy though it was not yet bedtime. She was rushed more than 15 miles away to Children’s Hospital of Philadelphia, where she was diagnosed with acute respiratory distress and fitted with a breathing mask. The following year in New Jersey, state officials said a 3-year-old was taken to the emergency room after starting to act “strange.” Upon arrival, the child suffered a seizure. Both children were part of a dangerous trend: They had eaten products that contained marijuana. To read the full story.