Why are some things dangerous but not painful, like cutting yourself, and others are painful but not dangerous, like hurting your teeth?

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Why are some things dangerous but not painful, like cutting yourself, and others are painful but not dangerous, like hurting your teeth?

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Cutting yourself isn’t painful?

Danger and pain are related in the brain, so much so that you can imagine pain enough to make it feel real, but that pain that is caused by the nerves can only hurt where the nerves are. Being scared and pain are not 100% related and though they may both cause similar emotions and regulate memories in the same brain regions, different levels of focus, adrenaline, goals, genetics, predisposition, social factors and expectations can all play a role in the brain’s focus, including its attention to pain. That is a large part of the reason different things cause different amounts of pain at different times to different people.

Pain is your brain interpreting signals from your nerves. Occasionally you can cut yourself, often with something very sharp and you only sever a few nerves and it doesn’t hurt much. Likewise, you can take some seemingly minor damage, like stubbing your toe, but it hurts a ton. This is because you have a good amount of nerve endings there and they all send pain signals at once.

Tooth pain can definitely be dangerous … a broken or decayed tooth could easily lead to blood poisoning and kill you? Sepsis is one of the scariest sudden death possibilities i can think of.

Teeth have alot of nerves it’s why they’re so sensitive.

While skin has nerves too it’s less condensed than your teeth are in terms of the nerves.