It is true that this food contains lead.

The raw material of popcorn is corn. Corn absorbs lead from the soil, so popcorn also contains lead. Regularly sold popcorn contains less content, which is within the national standard; while old-fashioned popcorn machines on the street contain lead sealing machines with good ductility. After being heated at high temperatures, the lead will turn into lead vapor and mix into the popcorn, causing the popcorn to contain That's a lot of lead.