Happiness in early adulthood may protect against dementia

September 28, 2021

While research has shown that poor cardiovascular health can damage blood flow to the brain increasing the risk for dementia, a new study led by UC San Francisco indicates that poor mental health may also take its toll on cognition.

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Blocking stress signals could limit harmful inflammation after heart attack
After a heart attack, the body rapidly floods the injured heart with neutrophils—white blood cells that help repair damage but can also make it worse when too many arrive too quickly. New research from the University of Oklahoma shows that these early-arriving cells come not from the bone marrow, as long believed, but from a hidden reserve along blood vessel walls. The discovery also identifies a potential way to limit their harmful surge.

Happiness in early adulthood may protect against dementia

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