Could outdoor light exposure at night heighten breast cancer risk?

JOURNAL-Environmental Health Perspectives

High exposure to outdoor lighting at night time may be a risk factor for breast cancer development, a new study suggests.

From an analysis of almost 110,000 women, researchers found that those who resided in areas with high levels of outdoor light at night time were more likely to develop breast cancer compared with women who lived in areas with low levels of outdoor light during the night.

Lead study author Peter James, of the Harvard Pilgrim Health Care Institute at Harvard Medical School in Boson, MA, and colleagues published their findings in the journal Environmental Health Perspectives

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Frequent sexual activity can boost brain power in older adults

Coventry University Researchers found that people who engaged in more regular sexual activity scored higher on tests that measured their verbal fluency and their ability to visually perceive objects and the spaces between them.

Green tea ingredient may ameliorate memory impairment, brain insulin resistance, and obesity

Federation of American Societies for Experimental Biology A study published online in The FASEB Journal, involving mice, suggests that EGCG (epigallocatechin-3-gallate), the most abundant catechin and biologically active component in green tea, could alleviate high-fat and high-fructose (HFFD)-induced insulin resistance and cognitive impairment. Previous research pointed to the potential of EGCG to treat a variety of human diseases, yet until now, EGCG's impact on insulin resistance and cognitive deficits triggered in the brain by a Western diet remained unclear. Journal Reference: Yashi Mi, Guoyuan Qi, Rong Fan, Qinglian Qiao, Yali Sun, Yuqi Gao, Xuebo Liu. EGCG ameliorates high-fat– and high-fructose–induced cognitive defects by regulating the IRS/AKT and ERK/CREB/BDNF. The FASEB Journal, 2017; fj.201700400RR DOI: 10.1096/fj.201700400RR

Even brief maternal deprivation early in life alters adult brain function and cognition: Rat study

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