Tabu

Tabu:

Polynesian word meaning "forbidden" that is, they are words or actions that humans can not do, because it is forbidden.

Many cultures began to have different types of taboos, and it was something so great, that many people began to follow this.

There are many definitions of taboos, in some cases it is forbidden to simply pronounce a word, because it goes against the cultures or values ​​of that society.

THE 5 MAIN TABOOS:

1. Abortion: Many women decide to end their baby's life under different conditions. But in some countries it is legally approved.

2. Eating dogs, in america is something forbidden, and is not legal, but for example in cultures of china is something normal.

3. Some superstitions, for example, in some cultures say that opening an umbrella in a closed place is bad luck, or leave the wallet on the floor. 

4. Eating meat, in the Buddhist religion this is a sin, but in other religions are normal and common.

5.  Find a four-leaf clover is good luck: The cultures of Egypt began with this, as they remove evil with this clover. Another legend says that when Eve was expelled from Paradise she took a four-leaf clover. 

Many cultures are very close to their beliefs, and will not stop having taboos. 

http://www.bekiahoroscopo.com/rituales/supersticiones-por-que-suerte-encontrar-trebol-cuatro-hojas/

http://www.ejemplos.co/20-ejemplos-de-tabues/

http://examples.yourdictionary.com/examples-of-taboo.html