Old Wives Tales.

[Dumanios]

Even if there was a correlation between Vaccination and Autism, the risks of going without vaccination outweigh problems associated with autism.

 

[Heretic_Cata]

Everytime you masturbate, god kills a kitten.

Don't swim 30 minutes after eating.

Hey this is SORTA true. But only if you eat a lot of consistent food. Not that it's horribad if you swim after eating 3 kebabs, but you can imagine that flailing about in the water isn't particulary good for digesting hard-to-digest food.