Addiction is an inability to stop using a substance or engaging in a behavior even though it is causing psychological and physical harm. The term addiction does not only refer to dependence on substances such as heroin or cocaine. Some addictions also involve an inability to stop partaking in activities such as gambling, eating, or working.

Anxiety is a feeling of fear, dread, and uneasiness. It might cause you to sweat, feel restless and tense, and have a rapid heartbeat. It can be a normal reaction to stress. For example, you might feel anxious when faced with a difficult problem at work, before taking a test, or before making an important decision.

Bipolar disorder (formerly called manic-depressive illness or manic depression) is a mental disorder that causes unusual shifts in mood, energy, activity levels, concentration, and the ability to carry out day-to-day tasks.

Bullying is a form of aggressive behavior in which someone intentionally and repeatedly causes another person injury or discomfort. Bullying can take the form of physical contact, words or more subtle actions.

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. Depression causes feelings of sadness and/or a loss of interest in activities you once enjoyed. It can lead to a variety of emotional and physical problems and can decrease your ability to function at work and at home.

Domestic violence is violence committed by someone in the victim's domestic circle. This includes partners and ex-partners, immediate family members, other relatives and family friends. The term 'domestic violence' is used when there is a close relationship between the offender and the victim.

The birth of a baby can trigger a jumble of powerful emotions, from excitement and joy to fear and anxiety. But it can also result in something you might not expect — depression. Most new moms experience postpartum "baby blues" after childbirth, which commonly include mood swings, crying spells, anxiety and difficulty sleeping.

Posttraumatic stress disorder (PTSD) is a psychiatric disorder that may occur in people who have experienced or witnessed a traumatic event such as a natural disaster, a serious accident, a terrorist act, war/combat, or rape or who have been threatened with death, sexual violence or serious injury.

The most common types of mood disorders are major depression, dysthymia (dysthymic disorder), bipolar disorder, mood disorder due to a general medical condition, and substance-induced mood disorder.

Trauma is an emotional response to a terrible event like an accident, rape, or natural disaster. Immediately after the event, shock and denial are typical. Longer term reactions include unpredictable emotions, flashbacks, strained relationships, and even physical symptoms like headaches or nausea.

Abuse comes in many different forms. Even when there is no physical violence, abusive language can be very damaging to you and those around you. Emotional and psychological abuse are include mostly non-physical behaviors that the abuser uses to control, isolate, or frighten you.

Sexual dysfunction can be any problems that prevent a person or couple from experiencing satisfaction from sexual activity. Some 43% of women and 31% of men report some degree of sexual dysfunction.

Since long, socio-economic status, often expressed as an index, is known to correlate with health outcomes like behavioral problems. Different types of stressors (i.e. socio-economic stress, domestic stress and prenatal stress) contributed independently to emotional and social problems.