Dr. Jeffrey Robert Foster MD

IntroductionTrichotillomania is a type of mental disorder, which involves an irresistible and recurrent urge to pull out one's hair from the scalp and other parts of the body with hair, in spite of having the desire to stop. Due to hair pulling, the scalp tends to have patchy bald spots, which can...

Auditory hallucinations are false perceptions of sound in the absence of an external stimulus. You basically hear voices talking to you or other noises or music, which others around you do not hear. It is a very common symptom among schizophrenics. As a percentage, about 70 percent of schizophrenic...

In psychiatry, hallucinations are defined as a perception experienced in the absence of an external stimulus to the corresponding sense organ. In simple terms, hallucinations are when people see, hear, feel, smell, or taste things that really don’t exist outside of their minds. For a...

Bulimia is an eating disorder that causes an individual to consume large amounts of food within a small period of time. After the binge is over, the individual purges to get rid of the unhealthy amount of food he or she consumed. Some methods that an individual may opt for to compensate for the...

What is depression?Depression is a mood disorder that causes an individual to feel sad, lonely, lost, angry, hopeless, or frustrated daily. These severe emotions can interfere with the individual's everyday life. For elders, depression can arise through hard life experiences, like losing a spouse,...

OverviewA seizure is a sudden event caused by an uncontrolled electrical disturbance in the brain. When a seizure happens, you lose control of your body, possibly lose consciousness, and convulse. Seizures can also cause behavioral changes and changes in the levels of your consciousness, including...