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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...

How can you tell whether a mental health issue is normal? The line between normal and abnormal mental health often is blurred. Still, it's helpful to consider your feelings, thoughts and behavior in r...

Blood clots can occur under many circumstances and in many locations. Blood clots that form in response to an injury or a cut are beneficial, stopping potentially dangerous bleeding. However, a number...

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...

Breast cancer is cancer that forms in the cells of the breasts. After skin cancer, breast cancer is the most common cancer diagnosed in women in the U.S. It can occur in men and women, but it's far mo...

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 ...

Cancer is the second-leading cause of death in the U.S. However, survival rates are improving for many types of cancer, thanks to improvements in cancer screening and cancer treatment.

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...