The israelites consider canaan to be the promised land because they believed that

Because of the belief that God made the covenant with Abraham that the Canaan will belong to Abraham's descendants.

Explanation:

This belief is from the Torah(the five books of Moses). According to that, the story is beginning with moving of Abraham and his family from Mesopotamia to Canaan. God is the one who told him to do that and they made the covenant.

The convenient was about that, that Canaan will belong to his descendants and because of that statement, Canaan was known as Promised Land.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

answer; repetitive thoughts; ritualistic behaviors;