What's a scary science fact that the public knows nothing about?

I was wondering this myself especially on this forum What's a scary science fact that the public knows nothing about?

The human stomach can dissolve razor blades

i don t know anything abt this but i wanted to watch the replys but they are not too much=]]]

that the earth isnt flat lmao

Don't listen to any guides involving ammonia, pennies, and straws.

Rabies is the most deadly disease on the planet, with a 99.9% fatality rate if it isn't treated immediately.

the scariest fact is that youre not really here this is all a lie u die and transport to a different illusory realm you pathetic baffoon wake ujp

water can kill if you drink too much, shocker I know!