Air pollution exposure may increase risk of dementia

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Caleb Finch, University of Southern California and Jiu-Chiuan Chen, University of Southern California

Alzheimer’s disease is a progressive brain disease that eventually strips sufferers of their ability to remember, communicate and live independently.

Influenza: The search for a universal vaccine

Ian Setliff, Vanderbilt University and Amyn Murji, Vanderbilt University

No one wants to catch the flu, and the best line of defense is the seasonal influenza vaccine. But producing an effective annual flu shot relies on accurately predicting which flu strains are most likely to infect the population in any given season.

Why a lack of sleep makes us depressed ... and what we can do about it

Alice M. Gregory, Goldsmiths, University of London

Historically, insomnia has been thought of as secondary to other disorders such as depression. The idea was that you became depressed – and that your sleep got messed up as a consequence.

People with forms of early-onset Parkinson's disease may benefit from boosting niacin in diet, research suggests

People with certain forms of early-onset Parkinson's disease may benefit from boosting the amount of niacin in their diet, according to new research from the University of Leicester.

13 ways to get more antioxidants this year (and why you need to)

Manal Elfakhani, Georgia State University

With the holiday season over, now comes the time for all kinds of food resolutions, mainly focused on dieting. There are many reasons to think about eating better, but they do not all have to do with weight loss.

It's time to look at how we value home care work

Clare L. Stacey, Kent State University

There are two million home care workers in the United States. They change diapers, administer medications, bathe and dress people and transfer the immobile from one place to another.

Another reason to exercise every day during the holidays

William B. Farquhar, University of Delaware

Yes, of course we all know we should exercise every day during the holiday season to help counter the onslaught of excess calories that started on Thanksgiving and will mercifully end with a New Year’s toast.

Why you shouldn't want to always be happy
Frank T. McAndrew, Knox College

In the 1990s, a psychologist named Martin Seligman led the positive psychology movement, which placed the study of human happiness squarely at the center of psychology research and theory.

Alzheimer's is a disease of the brain which causes a slow decline in memory, thinking and skills of reasoning. Every individual may experience differing symptoms in varying degrees, but there are 10 warning signs that should be noted in any case. If you notice any of the following warning signs or symptoms, it may be Alzheimer's and you should seek a medical professional.

Although it’s not normal, clinical depression in the elderly is common. How is this mental illness in the elderly different from that in younger adults? It impacts older people differently and often occurs with other medical illnesses and disabilities.