Study: women peak in attractiveness at 18, men peak at 50. https://bigthink.com/stephen-johnson/study-women-peak-at-18-on-dating-apps-men-peak-at-50

New experimental painkiller is like stronger morphine without the addiction: The drug, called AT-121, targets the same opioid receptors in the brain but also latches on to nociception receptors, that block the brain’s addiction-forming response, in a primate study in Science Translational Medicine. https://www.inverse.com/article/48605-experimental-painkiller-at-121-is-not-addictive