Mental Illness

3. an obsessive-compulsive disorder undesirable thoughts that occur constantly causing anxiety.
5. stress disorder (PTSD)- a mental illness that develops after a terrifying incident that involved physical harm or the threat of harm.
6. addiction- The uncontrolled use of a drug.
8. mental illness in which a person loses touch with reality often characterized by hallucinations, such as voices that other people cannot hear, and delusions.
11. Disease- a type of dementia that causes the death of brain cells and subsequent impairment of thinking and memory
13. unfounded or irrational distrust of other people.
15. disorder- a mental illness that causes unusual shifts in a person's mood, energy and ability to function also known as manic depressive disorder.

1. disorder- a mental illness in which a person feels too much anxiety often and response to everyday situations.
2. illness- a health condition that changes a person's thoughts, emotions, and behavior and that affects the person's ability to undertake daily functions.
4. an obsessive-compulsive disorder behaviors or rituals that develop in response to the anxiety caused by obsessive thoughts.
7. an irrational fear of an object or event that poses little or no actual risk.
9. deficit hyperactivity disorder- a mental illness characterized by inattention, hyperactivity, and impulsiveness; diagnosis most often in children.
10. a feeling of worry and fear that causes physical symptoms, such as sweating and stress.
12. Depressive Disorder- mental illness characterized by a combination of symptoms that include prolonged sadness and that interfere with a person's ability to undertake everyday activities.
14. a chemical substance that changes a person's physical or physicological state.