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  • Ketamine lifts depression via a byproduct of its metabolism
    May 4, 2016

    A chemical byproduct, or metabolite, created as the body breaks down ketamine likely holds the secret to its rapid antidepressant action, National Institutes of Health (NIH) scientists and grantees have discovered. This metabolite singularly...

  • Age-related cognitive decline: Women are more resilient than men
    April 28, 2016

    Previous research has shown that aging affects cognitive ability, and that subtle sex differences in cognition exist across the lifespan. A recent observational study by Dr. Anna C. McCarrey and colleagues in NIA’s Intramural Research Program...

  • World’s older population grows dramatically
    March 28, 2016

    The world’s older population continues to grow at an unprecedented rate. Today, 8.5 percent of people worldwide (617 million) are aged 65 and over. According to a new report, “An Aging World: 2015,” this percentage is projected to...

  • Case, Deaton awarded Cozzarelli Prize for top paper
    March 18, 2016

    The Division of Behavioral and Social Research congratulates Drs. Anne Case and Angus Deaton on their selection as winners of the Cozzarelli Prize from the Proceedings of the National Academy of Sciences. Case and Deaton's article, "Rising...

  • Decoding the molecular ties between vascular disease and Alzheimer's
    March 14, 2016

    Seeking a better understanding of vascular contributions to Alzheimer's disease, the National Institutes of Health has launched the Molecular Mechanisms of the Vascular Etiology of Alzheimer's Disease (M²OVE-AD) Consortium, a team-...

  • Does poor sleep raise risk for Alzheimer’s disease?
    February 29, 2016

    Studies confirm what many people already know: Sleep gets worse with age. Middle-aged and older adults often sleep less deeply, wake more frequently at night, or awake too early in the morning. Could these problems be related to risk of cognitive...

  • Behavioral intervention reduces inappropriate antibiotic prescribing
    February 25, 2016

    When prescribed correctly, antibiotics can be very effective in treating a variety of bacterial infections. However, U.S. clinicians often prescribe antibiotics to patients with non-bacterial infections, particularly those with acute viral...

  • NIH-supported trials test hormonal therapy in older men with low testosterone levels
    February 17, 2016

    A preliminary study of testosterone therapy in older men with low levels of the hormone and clinical conditions to which low testosterone might contribute found that restoring levels to those of healthy young men improved sexual function. Treatment...

  • Study examines factors behind decline in dementia incidence
    February 11, 2016

    In the United States, as many as 5.2 million people age 65 and older are estimated to have Alzheimer’s disease, the most common form of dementia, and these numbers are expected to rise with an aging population. However, a new NIH-funded study...

  • Hypothermia and older adults
    January 25, 2016

    The cold truth about hypothermia is that Americans aged 65 years and older face this danger every winter. Older adults are especially vulnerable to hypothermia because their body's response to cold can be diminished by underlying medical...

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