Stress is a feeling of emotional or physical tension.
It can come from any event or thought that makes you feel frustrated, angry or nervous.
Grief is the response to loss, particularly to the loss
of someone or some living thing that has died, to which a bond or affection was formed.
Depression (major depressive disorder) is a common and serious
medical illness that negatively affects how you feel,
the way you think and how you act. Fortunately, it is also treatable.
Addiction is complex a condition in which there is uncontrolled
use of a substance despite harmful consequence.