The fewer the daylight hours during winter and the greater the likelihood of experiencing Seasonal affective disorder.

A new study shows that the brain produces more of the mood-lifting chemical serotonin on sunny days than on darker days.

Depression occurs twice as frequently in women as in men, for reasons that are not fully understood.

Mental illness can have extremely severe effects on a person's employment, financial management, personal care and relationships.

People with schizophrenia withdraw from the people and activities in the world around them, retreating into an inner world.

Depression makes you selfish. It's very hard to think of other people when you're wrapped in a prickly blanket of sadness, and all you can think about is your own pain.

Alcohol is a depressant. So are marijuana and a host of other recreational or street drugs. Self-medication is not going to get you better and will surely make you worse over time.

Depression distorts your thinking. When you are depressed, your mind can play tricks on you

Mental health problems have nothing to do with being lazy or weak and many people need help to get better.