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Caring for Someone with Alzheimer Disease Alzheimer disease is a type of dementia. Dementia is a condition that impairs a person's ability to think, concentrate, and remember (cognitive function). According to the Alzheimer's Association, Alzheimer disease accounts for the

COVID-19 What is COVID-19? COVID-19 is an infectious disease that most often causes a respiratory illness. You may hear it called COVID or coronavirus disease 2019. It's caused by a virus called SARS-CoV-2. There are many types of coronaviruses. They are a common cause of

Dementia and a Healthy Diet: Tips for Caregivers Eating regular, nutritious meals can be a challenge for people with dementia. They may forget to eat or get distracted during meals. Or they may have trouble chewing and swallowing. But as a family caregiver, you can make a big

HIV/AIDS What is HIV/AIDS? The term AIDS refers to the most advanced stages of an infection caused by the human immunodeficiency virus (HIV). The current definition of AIDS includes: All HIV-infected people who have fewer than 200 CD4+ T cells (also called T4 cells or just T

Stroke What is a stroke? A stroke, or brain attack, happens when blood flow to your brain is stopped. It's an emergency situation. Call 911 if you think you might be having a stroke or stroke symptoms. The brain needs a constant supply of oxygen and nutrients to work well. If the

Understanding Avoidant Personality Disorder We all want to be alone from time to time. But constantly avoiding people or social situations can be a sign of avoidant personality disorder (AVPD). People with this disorder greatly fear rejection, humiliation, and criticism. They may

Navigating Life After a Loved One's Suicide Grief is complicated. You may have many different feelings at once. It can be long-lasting, too. Grieving the death of someone who died by suicide is in many ways like other forms of grief. But you may have different challenges and

Early-Onset Alzheimer Disease What is early-onset Alzheimer disease? Alzheimer disease is the most common form of dementia. It affects your memory, thinking, and behavior. It often progresses to the point where it affects daily activities and functions. Alzheimer disease most

Types of Genetic Testing Genetic tests look for changes in a person's genes. They can also look for changes in the amount, function, or structure of key proteins coded by genes. Genetic tests can look at the DNA or RNA that play a role in certain conditions. Abnormal test results

Eye Cancer: Intraocular Melanoma What is intraocular melanoma? Melanoma is a serious kind of skin cancer. This cancer starts in cells called melanocytes. These cells make the pigment that colors your skin. You also have melanocytes in your eyes. When these cells become cancer, it