Scott responds to various comments on his article about supplement labeling, addressing concerns about the industry and providing additional context and analysis. Longer summary

This post is a highlights reel of comments on Scott's previous article about supplement labeling. It covers various points raised by commenters, including skepticism about the supplement industry, concerns about heavy metal contamination, and a defense from the founder of LabDoor. Scott responds to each comment, providing additional context, analysis, and sometimes his own perspective on the issues raised. The post touches on topics such as the efficacy of supplements, the trustworthiness of supplement testing companies, and the potential risks associated with certain types of supplements. Shorter summary

Scott Alexander investigates the reliability of dietary supplements, finding that while issues exist, most are not completely fake as some media reports claim. Longer summary

Scott Alexander examines the trustworthiness of dietary supplements, debunking widespread claims that most are completely fake. He analyzes studies, consumer lab reports, and industry insider accounts to conclude that while there are issues in the supplement industry, outright fraud is rare, especially for common vitamins and minerals. More complex botanicals and trendy supplements may have more variability, but complete absence of active ingredients is uncommon. Scott suggests consumers should be discerning, especially with lesser-known products, but notes that for many supplements, precise dosing may not be critical. Shorter summary

Scott Alexander evaluates silexan, a lavender-based anxiety supplement, finding promising but potentially biased evidence, and recommends cautious trial use. Longer summary

Scott Alexander reviews the evidence for silexan, a lavender-derived supplement claimed to be highly effective for anxiety. He examines the studies, noting that most are by one researcher with conflicts of interest, but finds the methodology generally sound. He also considers circumstantial evidence, including animal studies and anecdotal reports. While cautioning about the lack of independent research, Scott concludes that silexan is worth trying due to its low risk and potential benefits, and predicts a 50% chance it will prove as effective as SSRIs for anxiety in future independent studies. Shorter summary

A diverse collection of links covering recent studies, unusual historical events, technological developments, and various curiosities across multiple fields. Longer summary

This post is a collection of various links and news items on diverse topics. It covers studies on pornography's effects, unusual military proposals, charter schools' success, climate change predictions, animal rights, restorative justice in schools, parenting advice, sexual selection theory, AI-generated content, breastfeeding patterns, visualization of classical music, Soviet whaling, cancel culture, housing legislation, embryo screening, retractions of scientific studies, gene drives, drug pricing, UFO sightings, cryopreservation, air conditioning efficiency, genetic testing for medication response, social justice terminology trends, napping benefits, nootropics survey results, Bitcoin price surge, transformer architecture in machine learning, fact-checking errors in popular books, challenges to persistence research, fringe ideologies in Japan, AI progress on language understanding, climate change risks, and various other curiosities and scientific findings. Shorter summary

A diverse collection of links covering technology, science, economics, politics, and culture, including critiques of studies, interesting scientific findings, and current events. Longer summary

This post is a collection of links to various interesting articles, studies, and news items. It covers a wide range of topics including technology, science, economics, politics, and culture. Some highlights include: a list of places branding themselves as the next Silicon Valley, a study on declining fertility in dogs, critiques of bad scientific studies, an article on antidepressant tapering, data on value drift in effective altruism, and discussions on the Mueller Report's impact on media credibility. The post also includes links to various interesting facts, studies, and developments in fields such as nutrition, drug use, e-cigarettes, and urban development. Shorter summary

Scott Alexander shares a diverse collection of links on topics including architecture, history, science, politics, and economics, offering brief commentaries and insights on each. Longer summary

This post is a collection of various links and brief commentaries on diverse topics. Scott Alexander covers subjects ranging from architecture and history to science, politics, and economics. He discusses the Obama Presidential Library, unusual historical facts, effective altruism, AI policy careers, Bitcoin mining, and scientific studies on parenting and voter ID laws. The post also touches on topics like gender discrimination in tech, nuclear energy startups, and dietary trends. Throughout, Scott provides his characteristic mix of curiosity, skepticism, and humor in discussing these wide-ranging subjects. Shorter summary

Scott Alexander presents a diverse collection of links and brief commentary on topics ranging from historical anecdotes to recent scientific studies and political developments. Longer summary

This post is a collection of various links and brief commentary on diverse topics. It covers historical anecdotes, scientific studies, political developments, and cultural phenomena. The post touches on subjects like vegetarian activism, Supreme Court changes, AI alignment, and Silicon Valley culture. Scott Alexander provides concise summaries and occasional personal opinions on these wide-ranging topics, often with a touch of humor or irony. Shorter summary

A collection of interesting links covering a wide range of topics, from scientific studies and historical facts to current events and amusing anecdotes. Longer summary

This is one of Scott's regular link posts, collecting various interesting articles, studies, and facts that caught his attention. The topics range widely from scientific research (like PTSD in Roman soldiers and genetic studies) to historical curiosities (like Byzantine titles and the history of cell phones). He also comments on current events like Silicon Valley critiques and political developments. Some links are serious academic studies, while others are more lighthearted like the rules around shooting Bigfoot. Throughout the post, Scott adds brief commentary and context to help readers understand the significance of each link. Shorter summary

Scott Alexander presents results from a survey of 850 people rating various nootropics, showing a range of perceived effectiveness and exploring addiction potential for some substances. Longer summary

Scott Alexander presents the results of a survey on nootropics, substances that claim to improve mental function. The survey gathered ratings from 850 participants on various nootropics. The results show a range of effectiveness, with prescription drugs like Adderall and Modafinil scoring highly, along with LSD microdosing and Phenibut. Some less well-known substances like tianeptine, Semax, and ashwagandha also performed well. The survey also explored addiction potential for certain substances. Scott notes that while the survey lacks placebo control, the large sample size and consistency with previous results lend some credibility to the findings. Shorter summary

Scott Alexander offers Christmas shopping recommendations for various products, from balsamic vinegar to nootropics, with personal insights on each item. Longer summary

Scott Alexander provides product recommendations for Christmas shopping, including a link to his Amazon affiliate page. He recommends traditional 18-year balsamic vinegar for its interesting taste, sweatpants that look like regular pants for comfort, xylitol nasal spray for congestion, the Hamilton musical CD, dental floss scythes for easier flossing, Nootropics Depot and Ceretropic online stores for nootropics, and periscope glasses for reading while lying down. He discusses each product's benefits and his personal experiences with them. Shorter summary

A collection of interesting links covering science, economics, and culture, with key stories about psychology study replication failures and various scientific findings. Longer summary

This is a links post containing various interesting news and studies from around the internet. Scott shares updates on topics ranging from economics to psychology to politics. Key highlights include a discussion of the psychology replication crisis where only half of major studies replicated, new findings about e-cigarettes being safer than smoking, insights into carbon offset fraud in Russia and Ukraine, and various scientific studies on topics like genetics and obesity, women in STEM fields, and the effects of school schedules on academic performance. Shorter summary

Scott Alexander reports on a survey of nootropics users, finding mixed results for various substances and discussing methodological challenges in assessing their effectiveness. Longer summary

Scott Alexander presents the results of a survey on nootropics, substances claimed to improve mental functioning. The survey, taken by 162 respondents from online nootropics communities, asked about experiences with 28 different substances. Key findings include: caffeine and modafinil were rated most effective; some newer substances like phenylpiracetam and coluracetam showed promise; traditional medicines had mixed results; dose-response relationships were mostly inconclusive except for high-dose vitamin D; and there were unexpected correlations between effects of different substances. Scott discusses limitations of the survey and plans for future iterations. Shorter summary