Genetics

Protein interplay in muscle tied to life span

Fruit flies are notoriously short-lived but scientists interested in the biology of aging in all animals have begun to understand why some fruit flies live longer than others. They have documented a direct association between ...

Immunology

Body's 'safety procedure' could explain autoimmune disease

Monash University researchers have found an important safety mechanism in the immune system that may malfunction in people with autoimmune diseases, such as Multiple Sclerosis, potentially paving the way for innovative treatments.

Medical research

Aging really is 'in your head'

Among scientists, the role of proteins called sirtuins in enhancing longevity has been hotly debated, driven by contradictory results from many different scientists. But new research at Washington University School of Medicine ...

Psychology & Psychiatry

Outgoing young people become happier seniors

(HealthDay)—People who were outgoing and energetic as young adults seem to be happier with their lives by the time they hit retirement age, a new study suggests.

Health

Japanese women retake top spot for life expectancy

Japan's women retook their place as the world's longest-lived last year, edging out Hong Kongers as their life expectancy bounced back from the dip caused by the 2011 tsunami, officials said Thursday.

Medical research

Siberian herb could extend life, scientists say

A stubby little plant from the icy permafrost of Siberia just might help you feel better and live longer, University of California-Irvine researchers say. They found fruit flies fed extracts of Rhodiola rosea, or "golden ...

Health

Why do women go through menopause?

Menstruation is a reproductive quirk that humans share with only a few other mammals. But even stranger is the fact that women stop menstruating when they have a whole third of their lives left to live.

Medical research

Slowing the aging process—only with antibiotics

Swiss scientists reveal the mechanism responsible for aging hidden deep within mitochondria—and dramatically slow it down in worms by administering antibiotics to the young.

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