Scott Alexander updates on Lumina probiotic, discussing FDA trials, effectiveness, potential risks, and his nuanced stance on the product. Longer summary

Scott Alexander provides updates on Lumina, a genetically modified anti-tooth-decay bacterium. He clarifies information about FDA testing, discusses rat trial results, reports on recent colonization studies, addresses potential side effects, and shares some anecdotal results. Scott also explains his stance on Lumina, emphasizing that while he sees potential benefits, he doesn't fully endorse it and acknowledges the uncertainties and risks involved. Shorter summary

Scott shares and comments on various interesting links covering science, politics, and curiosities, with particular focus on recent studies in genetics and psychology. Longer summary

This is a links post collecting various interesting news and studies from different fields. Topics range from scientific discoveries about probiotics and neurons, to political news about Hillary Clinton and Obamacare, to peculiar historical facts about town names and statistical centers. Scott provides brief commentary on many of the links, expressing particular interest in studies about genetics, social mobility, and cognitive behavioral therapy. Shorter summary