Tony Delroy’s NightLife story links for November 29

Thinking ourselves into eating more

A new analysis of 50 studies finds that thinking before you eat can actually undermine your dieting goals. When we think, we often simply come up with reasons why we deserve that extra piece of pumpkin pie.

Oxytocin leads to monogamy

If oxytocin is administered to men and if they are shown pictures of their partner, the bonding hormone stimulates the reward center in the brain, increasing the attractiveness of the partner, and strengthening monogamy.

PCBs still affecting our health decades later

Although PCBs have been banned in the United States since 1979, University of Montreal and CHU Sainte-Justine researcher Maryse Bouchard has found that higher levels of the toxin was associated with lower cognitive performance in seniors.