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VIEW DISEASES IN ALPHABETICAL ORDER

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Obesity

Obesity is a complex disorder involving an excessive amount of body fat. Obesity isn't just a cosmetic concern. It increases your risk of diseases and health problems, such as heart

Obsessive-compulsive disorder (OCD)

Obsessive-compulsive disorder (OCD) features a pattern of unreasonable thoughts and fears (obsessions) that lead you to do repetitive behaviors (compulsions). These obsessions and compulsions interfere with daily activities and cause

Occupational asthma

Occupational asthma is asthma that's caused by breathing in chemical fumes, gases, dust or other substances on the job. Occupational asthma can result from exposure to a substance you're sensitive

Ocular rosacea

Ocular rosacea is inflammation that causes redness, burning and itching of the eyes. It often develops in people who have rosacea, a chronic skin condition that affects the face. Sometimes

Oligodendroglioma

Oligodendroglioma is a tumor that can occur in the brain or spinal cord. Oligodendroglioma forms from oligodendrocytes — cells in the brain and spinal cord that produce a substance that

Oppositional defiant disorder (ODD)

Even the best-behaved children can be difficult and challenging at times. But if your child or teenager has a frequent and persistent pattern of anger, irritability, arguing, defiance or vindictiveness