How do genes affect addiction?

addiction

a brain disorder or illness associated with compulsive behavior despite negative consequences

protein

a substance found in all living things that have specific functions and are involved in nearly all important cell processes

develop

grow or cause to grow and become more mature, advanced, or larger

biolgical

having to do with living things and their processes

environmental

having to do with the objects and conditions in a set of surroundings

addicted

having uncontrollable behavior that continues despite negative consequences

gene

small section of DNA that contains instructions for making a protein(s) that control the processes that occur in the body's cells

factor

something that helps cause a result

variant

something that shows a difference from other things of the same type

DNA

the molecule found in cells that carries instructions for cell structure and processes in the body

adolescence

the period of life when a child develops into an adult

risk

the possibility or loss or injury

hereditary

the process by which genes and traits are passed from parent to offspring

genetics

the scientific study of the ways that personal characteristics are passed from one generation to another through genes

cell

the smallest unit that makes up an organism

vulnerability

the state of being exposed or open to danger

prevent

to stop from happening