Specific risk factors for squamous cell carcinoma include alcohol consumption, hot fluids and caustic strictures, which is the narrowing of the esophagus following ingestion of a caustic substance, like household bleach.
One of the big goals that we have with our paper is just trying to get increased awareness that plastic ingestion is potentially a big issue for freshwater turtles.
This causes the unintended effect of cruising for parking, where drivers end up using more gas, emitting more carbon, and causing more traffic ingestion while they search for a parking spot.
Poison control centers consider accidental ingestion of poop - human or otherwise - to be minimally toxic, and doctors even prescribe poop pills from healthy people to combat hard to treat gut infections.
Results from studies attempting to quantify levels of human ingestion vary dramatically, but they suggest people might be consuming on the order of tens of thousands of microplastic particles per person per year.
First, of course, you've got to introduce the food to your digestive system. What you know as eating, or ingestion, is basically just creating a bulk flow of nutrients from the outside world into your tissues.