Entries by PortervilleADS

Stories My Grandfather Told Me

I am sitting at a dinner party in Deauville, France, listening to my grandfather recount stories I’ve heard him tell a thousand times before; times spent with Peter O’Toole in the desert, his love affair with Barbra Streisand and with other leading ladies, past exploits at card tables and racetracks. But this night is different. The stories are off; rich […]

New potential cause for Alzheimer’s: Arginine deprivation caused by overconsumption by immune cells

Increasingly, evidence supports the idea that the immune system, which protects our bodies from foreign invaders, plays a part in Alzheimer’s disease. But the exact role of immunity in the disease is still a mystery. A new Duke University study in mice suggests that in Alzheimer’s disease, certain immune cells that normally protect the brain […]

Vascular dementia

Vascular dementia Vascular dementia is the second most common cause of dementia, after AD. It is caused by brain damage from cerebrovascular or cardiovascular problems – usually strokes. It also may result from genetic diseases, endocarditis (infection of a heart valve), or amyloid angiopathy (a process in which amyloid protein builds up in the brain’s blood vessels, […]

Alzheimer’s disease

Alzheimer’s disease Alzheimer’s disease is the most common cause of dementia in people aged 65 and older. In most people, symptoms of AD appear after age 60. However, there are some early-onset forms of the disease, usually linked to a specific gene defect, which may appear as early as age 30. AD usually causes a […]

Dementia 101: Types of Dementia

Dementia, Alzheimer’s, senility, forgetfulness. All of these words point to an experience. But do they point to the same one? Are they different? Are they the same? I often hear these words thrown around interchangeably. Here I hope to give some etymological clarity. Aging in America is confusing. By using clear language, I hope we can communicate […]

What is dementia? The signs, symptoms and causes of dementia

Dementia is a term used to describe various symptoms of cognitive decline such as forgetfulness, but is not a clinical diagnosis itself until an underlying disease or disorder has been identified. Dementia is a collective term used to describe the problems that people with various underlying brain disorders or damage can have with their memory, […]

What causes dementia

All dementias are caused by brain cell death,1 and neurodegenerative disease – progressive brain cell death that happens over a course of time – is behind most dementias.4,6 Nerve cells (neurons) in the brain – loss or damage can cause dementia. Alzheimer’s disease is the leading cause. But as well as progressive brain cell death like […]