Health

Social stress can speed up immune system aging

As people age, their immune systems naturally begin to decline. This aging of the immune system, called immunosenescence, may be an important part of such age-related health problems as cancer and cardiovascular disease, ...

Medical research

Research needed to understand impact of low-dose radiation

Multidisciplinary research is needed to improve understanding of the impact of low doses of radiation on human health, according to a report published online June 2 by the National Academies of Sciences, Engineering, and ...

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