Every generation has some product/ingredient that they didn’t know was dangerous at the time: tobacco, lead, asbestos, etc. What is that item for this generation?
Could be smart watches. Don't quote me on this, but wearing a watch 24/7 that emits light to constantly track your heart rate cannot exactly be good for your health (unless you truly need it)
Lemsters sounds cool (I just thought of it last night haha)