This disorder can cause you to not eat as much as you would normally eat.
Eating Disorders
This effect can cause people to worry more and be scared and can even cause sweating and a fast heartbeat.
Anxiety
This effect can cause somebody to talk less to people and only care about the thing they want so bad.
Addiction
This disorder can cause you to change your feelings and emotions.
Personality/mood disorders
This effect can cause you to be more cautious of what you do and be scared more often.
Fear
This effect can cause very severe health issues with breathing.
Lung cancer/sickness
This disorder can cause a large mood swing and always being sad. They also do not want to talk to anyone.
Depression
This can effect can cause somebody to be more quiet and not want to interact with anybody.
Social life problems
This effect can get you in major trouble, since this is illegal in some places of the world.
You could get arrested
This mental health issue can cause you to lose depth perception and can even change how you act.
Drug overdosing/abuse
This effect can change how people feel. It will cause them to yell and fight more and have more conflicts.
More angry/aggressive personality.
This effect can cause you to forget things and can even cause permenant damage.
Memory problems
This disorder can cause you to panic and sweat.
Stress disorder
This effect can cause impulsive actions and chronic thinking.
This effect can cause one of the most important organs in your body to cause problems, it can easily severely injure or even kill you.
Heart problems