Very hot drinks probably cause oesophageal cancer

http://www.straitstimes.com/world/europe/very-hot-drinks-probably-cause-oesophageal-cancer-un-cancer-agency

Basically, whatever hurts genes can be cause of cancer. In this case, heat is expected to loosen chemical bonds between genes.
In most countries, hot food is considered to be delicious. But, it's also cause of cancer.