Cardiology

Does lifetime exposure to estrogen affect risk of stroke?

People with a higher cumulative estrogen exposure throughout their life may have a lower risk of stroke, according to a new study published in the February 1, 2023, online issue of Neurology. The lower risk was found for ...

Psychology & Psychiatry

Abnormal 12-hour cyclic gene activity found in schizophrenic brains

Researchers at the University of Pittsburgh School of Medicine, U.S. present the first evidence of 12-hour cycles of gene activity in the human brain. Published in the open access journal PLOS Biology on January 24, the study ...

Oncology & Cancer

Prostate cancer: Screening and treatment

Prostate cancer is one of the most common cancers in the world. While many prostate cancers grow slowly and remain localized, other types are aggressive and spread quickly. That's why Dr. Carlos Vargas, a Mayo Clinic radiation ...

Neuroscience

Stress hormone reduces altruistic behavior in empathetic people

The stress hormone cortisol reduces altruistic behavior and alters activity in brain regions linked to social decision making—but only in people who are better at imagining others' mental states, according to new research ...

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