Health

Going for an MRI scan with tattoos?

Tattoos are increasingly popular. Every eighth person in Germany has already felt the sting of a tattoo needle. Yet, examining tattooed people via magnetic resonance imaging (MRI) could possibly be risky. The first prospective ...

Psychology & Psychiatry

Experiments show altruistic behaviors reduce pain

A team of researchers affiliated with several institutions in China has found that people who engage in altruistic behaviors feel less pain than they otherwise would. In their paper published in Proceedings of the National ...

Alzheimer's disease & dementia

Racial differences in Alzheimer's disease unveiled

African-Americans may be twice as likely as Caucasian Americans to develop Alzheimer's disease, but nobody knows why because studies investigating the underlying causes of illness have historically drawn from a nearly all-white ...

Immunology

Scientists watch the brain's lining heal after a head injury

Following head injury, the protective lining that surrounds the brain may get a little help from its friends: immune cells that spring into action to assist with repairs. In a new study, scientists from the National Institutes ...

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