Mood disorders include depressive disorders and bipolar disorders. These types of psychiatric disorders affect a person’s emotions and may cause severe lows, called depression, and highs, called mania ...

Bipolar disorder is a long-term mood disorder characterized by major fluctuations in mood — both high and low — that can impact daily functioning and behavior. Although bipolar disorder is a chronic ...

Both schizoaffective disorder and schizophrenia cause psychosis. With schizoaffective disorder, however, you may also have prominent mood symptoms. In schizophrenia, people don’t typically have mood ...

The fact that smoking is a risk factor for several diseases, including cancer, stroke, and diabetes, has been known for approximately half a century. However, over the past few decades, scientists ...

Delusional disorder is primarily characterized by one or more delusions lasting for at least a month, while schizophrenia involves a broader range of psychotic symptoms, such as hallucinations and ...