Can Humans Spontaneously Combust?

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SUMMARY

The discussion centers on the concept of Spontaneous Human Combustion (SHC), which is largely regarded as pseudoscience. Participants clarify that while humans are flammable and can burn when exposed to an external ignition source, such as a blowtorch or match, the notion that they can ignite spontaneously without an external cause is not supported by scientific evidence. Cases often attributed to SHC typically have more plausible explanations, such as accidents involving alcohol and smoking. Overall, the consensus is that SHC is not a scientifically valid phenomenon.

PREREQUISITES
  • Understanding of basic human biology and flammability
  • Familiarity with the principles of combustion
  • Knowledge of pseudoscience and scientific skepticism
  • Awareness of common fire safety practices
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  • Research the principles of combustion and ignition sources
  • Explore scientific literature on human flammability and safety
  • Investigate historical cases attributed to Spontaneous Human Combustion
  • Learn about the psychological and cultural factors surrounding pseudoscientific beliefs
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This discussion is beneficial for scientists, educators, and anyone interested in the intersection of biology, fire safety, and the critique of pseudoscientific claims.

mech-eng
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I would like to ask you whether or not people can caught fire naturally. I remember there was a discussion in the tv but I cannot google it because I don't know correct terms.

Source: Self-made

Thank you.
 
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Wait. Is the original post about spontaneous combustion or simply the flammability of humans? Humans are mostly water, so we tend to smolder, not burn.
 
newjerseyrunner said:
Wait. Is the original post about spontaneous combustion or simply the flammability of humans? Humans are mostly water, so we tend to smolder, not burn.

What's the difference?

Thank you.
 
mech-eng said:
What's the difference?

Thank you.
Spontaneous human combustion is the idea that under some very unique conditions, humans can simply ignite into ball of flames. This is largely not believed to be possible, and all cases of it seem to have simpler explanations (like them having a heart attack while smoking and having a brandy. Someone has the heart attack, spills the brandy on themselves, dies which causes the cigar to fall out of their mouth onto the brandy.)

Just being flammable means that if you try to use a blowtorch (or a match) to light someone on fire, you could do it. Human beings do burn like anything else biological, but it requires an external source of fuel (gasoline for example.)
 
newjerseyrunner said:
Spontaneous human combustion is the idea that under some very unique conditions, humans can simply ignite into ball of flames. This is largely not believed to be possible, and all cases of it seem to have simpler explanations (like them having a heart attack while smoking and having a brandy. Someone has the heart attack, spills the brandy on themselves, dies which causes the cigar to fall out of their mouth onto the brandy.)

Just being flammable means that if you try to use a blowtorch (or a match) to light someone on fire, you could do it. Human beings do burn like anything else biological, but it requires an external source of fuel (gasoline for example.)

One of my instructor used to say that according to quantum physics if you release something, there is a possibility that it might not fall down. There are lots of phenomena in nature and SHC might be possible, too.

Thank you.
 
mech-eng said:
There are lots of phenomena in nature and SHC might be possible, too.
Ultimately outside our mission so we'll end here. Thanks!
 

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