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Dementia isn't a specific disease. Instead, dementia describes a group of symptoms affecting thinking and social abilities severely enough to interfere with daily functioning. Many causes of dementia ...

Arthritis is inflammation of one or more of your joints. The main symptoms of arthritis are joint pain and stiffness, which typically worsen with age. The two most common types of arthritis are osteoa...

Most cases of shortness of breath are due to heart or lung conditions. Your heart and lungs are involved in transporting oxygen to your tissues and removing carbon dioxide, and problems with either of...

Celiac disease is a digestive condition triggered by consumption of the protein gluten, which primarily is found in bread, pasta, cookies, pizza crust and many other foods containing wheat, barley or ...

Get screening and treatment for colorectal cancer symptoms, and learn about risk factors and prevention strategies.

Depression is a medical illness that causes a persistent feeling of sadness, loss of interest and, sometimes, physical symptoms. It's also called major depression, major depressive disorder and clinic...

An audiologist specializes in evaluating and treating people of all ages with hearing loss, dizziness and balance disorders. Specialty audiology consultation is available for assessment and treatment ...

Your eyes are responsible for providing you with vision, perhaps the most important of the senses. However, the eye is a delicate and complicated structure that needs protection. The ugly truth is tha...

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful, but some org...

Influenza is a viral infection that attacks your respiratory system — your nose, throat and lungs. Influenza, commonly called the flu, is not the same as the stomach "flu" viruses that cause diarrhea ...