Immunology

Researchers find a clue to fighting fatal influenza

When influenza (or flu) reaches the critical stage, there are no specific treatments available for patients. Now new research has identified a key to this sometimes fatal condition, and opened the door to possible cures.

Alzheimer's disease & dementia

Brain boost: Can a coach help elders at risk for Alzheimer's?

As more medications move towards federal approval for Alzheimer's disease, a new study led by researchers at UC San Francisco and Kaiser Permanente Washington has found that personalized health and lifestyle changes can delay ...

Alzheimer's disease & dementia

Food insecurity in seniors linked to increased risk for dementia

For older adults, food insecurity is associated with an increased risk for dementia with poorer memory function and faster memory decline, according to a study published online Nov. 21 in JAMA Network Open.

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Old age

Old age consists of ages nearing or surpassing the average life span of human beings, and thus the end of the human life cycle. Euphemisms and terms for old people include seniors (American usage), Senior Citizens (British and American usage), or the elderly. As occurs with almost any definable group of humanity, some people will hold a prejudice against others — in this case, against old people. This is one form of ageism.

Old people have limited regenerative abilities and are more prone to disease, syndromes, and sickness than other adults. For the biology of ageing, see senescence. The medical study of the aging process is gerontology, and the study of diseases that afflict the elderly is geriatrics.

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