Depression A mental condition in which a person feels extremely sad and loses interest in life. A person with depression may also have sleep problems and loss of appetite and may have trouble concentrating and carrying out everyday activities. Glaucoma A condition in which pressure in the eye is abnormally high. If not treated, glaucoma may lead to blindness. Hallucination A false or distorted perception of objects, sounds, or events that seems real.
Hallucinations usually result from drugs or mental disorders.
An anxiety disorder in which a person cannot prevent himself from dwelling on unwanted thoughts, acting on urges, or performing repetitious rituals, such as washing his hands or checking to make sure he turned off the lights. An disorder in which a person has sudden and intense attacks of anxiety in certain situations. Symptoms such as shortness of breath, sweating, dizziness, chest pain, and extreme fear often accompany the attacks. Prostate A donut-shaped gland in males below the bladder that contributes to the production of semen. Schizophrenia A severe mental disorder in which a person loses touch with reality and may have illogical thoughts, delusions, hallucinations, behavioral problems and other disturbances.