A person's response to a stressful life event (sometimes called a stressor) is out of proportion to what would be a normal reaction. The person is unable to adjust, and this causes problems in both...
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A chronic, progressive disease that involves dependence on, or an addiction to, alcohol. It involves: Craving: A strong need or urge to drink. Loss of control: Not being able to stop drinking once...
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Sudden hair loss in circular patches on the scalp. The hair loss does not occur with other visible evidence of scalp disease. It can involve hair on the scalp, eyebrows, eyelashes, genital area, or...
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A brain disorder that involves gradual mental deterioration. The more gradual form, with slow development of symptoms, begins around ages 65 to 70. A rapidly progressive form begins in adults around...
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Anorexia is a type of eating disorder. A person refuses to eat enough to maintain a normal weight for height and age. It develops over time and can occur in both sexes. It most often affects young...
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An illness that involves constant worry, even though nothing is wrong. A person feels tense most of the time and always expects the worst to happen. They may worry about health, money, family, work,...
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A consistent pattern of behaviour that includes inattention, hyperactivity, and impulsivity. Attention deficit hyperactivity disorder (ADHD) is common and affects 3% to 5% of children. It also...
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Autism is a disorder that involves the way a child develops. It is usually discovered by the time a child is aged 2 and a half years, but could be later. Parents may notice that an infant or child is...
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