Spontaneous Human Combustion.

Humans have a knack for getting burned. Sip coffee that's a little too hot and you burn your tongue. Reaching the pinnacle of nervousness can cause heartburn. Remaining in the sun for too long without protection leaves you with sunburn. Play with fire and you know what happens. And that's saying nothing of rug burns that can occur when you... How about that weather? Most of the time, we have an explanation whenever fire causes …

…the subject, both trying to feed the myth and dispel it. A few minor films have embraced the issue as well, such as 1990's Spontaneous Combustion and Silent Night, Deadly Night 4: Initiation, while the Human Torch character from the Fantastic Four comics helped further introduce the idea to pop culture. Just because SHC has been deciphered, it doesn't mean public interest will decrease. People will still try to find irrational explanations for this strange phenomenon.