Conditions & Symptoms
Explore definitions, causes, treatments, and more.
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14 FoundAlzheimer's Disease
Alzheimer's disease is a progressive degeneration of brain tissue that results in a decline in the brain's ability to function properly. It is the mos...
Amyotrophic Lateral Sclerosis (ALS)
Also known as Lou Gehrig's disease, ALS causes the degeneration of nerve cells in regions of the brain and spinal cord that control voluntary muscles....
Aphasia
Aphasia is the loss of the ability to speak or understand speech or written language. It can be very mild or so severe as to make communication nearly...
Aphasia
Aphasia is the loss of the ability to speak or understand speech or written language. It can be very mild or so severe as to make communication nearly...
Asperger's Syndrome
Asperger's syndrome (AS) is a pervasive developmental disorder that falls within the spectrum of autism. It is characterized by specific delays in soc...
Attention-Deficit Disorder and Attention-Deficit/Hyperactivity Disorder (ADD/ADHD)
Attention-Deficit Disorder (ADD) and Attention-Deficit/Hyperactivity Disorder (ADHD) are diagnoses applied to children and adults who consistently dis...
Autism
Autism is considered by the National Institute of Mental Health to be a brain disorder that typically affects a person's ability to communicate, form...
Bell's Palsy
Bell's palsy is a weakness or paralysis of the muscles that control the expression on one side of the face. The severity can range from mild weakness...
Bruxism
Bruxism is grinding, gnashing or clenching your teeth during sleep or situations that make you anxious or tense. It may occur continually or sporadica...
Congestive Heart Failure
Congestive heart failure (CHF) is the most common cause of death for people over age 65. It occurs when the heart cannot pump out enough blood to meet...
Crohn's Disease
Crohn's disease is a chronic inflammation of the small or large intestine, or both. It can cause great pain and make the intestines empty frequently,...
Depression
Depression, also called unipolar mood disorder, affects emotions, thinking, behavior and physical well-being. It occurs most often in people between t...
Dermatitis
Dermatitis, also called eczema, is an itchy inflammation of the skin. There are many types of dermatitis that can be caused by a number of factors, in...
Ear Infection
Otitis media is an infection of the middle ear, the area just behind the eardrum. It happens when the eustachian tubes, which drain fluid and bacteria...