Here you can find list of once popular beliefs, or beliefs which are today more or less widespread, which are proven
false or at least very, very dubious.
... town the population is spread out with 22.3% under the age of 18, 6.3% from 18 to 24, 31.0% from 25 to 44, 26.9% from 45 to 64, and 13.5% who are 65 years of age or older. ...