Eyeball Licking: Please Don't

Hank Green discusses the bizarre trend of eyeball licking, known as worming, among Japanese teenagers. This practice has led to an increase in eye infections, particularly conjunctivitis. The video explains the microbial dangers of mouth-to-eye contact, highlighting the high concentration of bacteria and viruses in the mouth. It warns of the severe consequences of eye infections, such as corneal damage and potential blindness. The video concludes with advice against engaging in this unsafe practice.

What new insight or understanding did you gain from this video?