Scott Alexander examines Richard Lynn's controversial national IQ estimates and argues they are actually consistent with environmental rather than genetic explanations of IQ differences, while explaining common misconceptions about what low IQ means.

Scott Alexander reviews the second issue of Asterisk magazine, which focuses on food-related topics in rationalist and effective altruist contexts.

Scott Alexander critiques Ben Hoffman's arguments about Vitamin D dosing, maintaining that it is primarily a bone-related chemical with limited evidence for other benefits.

The post explores a controversial theory linking saturated fats to weight control, critically examines the evidence, and discusses the paradox of historical vs. modern diets and obesity rates.

Scott Alexander argues for the broader use of guidelines instead of simple recommendations in fields outside medicine, explaining their benefits and why they're underutilized.

Scott Alexander shares links to a debate between Gary Taubes and Stephan Guyenet about the health effects of sugar, praising the high-level discussion.

Scott Alexander reviews Stephan Guyenet's critique of Gary Taubes' anti-sugar book, agreeing with Guyenet's multi-factorial view of obesity and disease causes, and retracting his previous support for Taubes.

Scott Alexander shares and comments on highlighted passages from Garrett Jones' 'Hive Mind', covering various aspects of IQ research and its societal implications.

Scott Alexander analyzes the health risks of eating processed meat, demonstrating how to put such risks in perspective and interpret mortality statistics accurately.

Scott shares and comments on various interesting links covering topics like international relations, medical research, technology, and social issues, mixing academic discussion with curious anecdotes.

Scott Alexander examines various anti-wheat claims and pro-wheat evidence, concluding that while some concerns exist, current evidence generally supports wheat consumption for most people.

Scott Alexander reviews 'The Perfect Health Diet', praising its science-based approach but criticizing its tendency to ignore contrary evidence and present controversial claims as settled science.

Scott Alexander explores biological factors like lead exposure, omega-6 fatty acids, and lithium levels as potential explanations for historical crime rate trends, particularly the possible increase from 1850 to 1980.

Scott Alexander critiques a paper claiming superior Victorian health, finding issues with its key arguments while agreeing on some points about diet-linked disease increases.