https://gwern.net Pages from gwern.net in the 'Health, Diet & Quantified Self' section Sat, 07 Mar 2026 22:52:09 +0000 GwernRSSBuilder/1.0 https://gwern.net/water https://gwern.net/water Blind randomized taste-test of mineral/distilled/tap waters using Bayesian best-arm finding; no large differences in preference. Gwern Wed, 15 Feb 2017 00:00:00 +0000 2024-12-16T00:00:00Z essay nootropic/quantified-self statistics/bayes statistics/decision tea https://gwern.net/acne https://gwern.net/acne Acne is a good way to learn self-experiments for teenagers. I offer tips on what one could do, and an initial list of crowdsourced interventions to test from CureTogether. Gwern Tue, 08 Jan 2019 00:00:00 +0000 2024-10-04T00:00:00Z essay cs/r genetics/microbiome/acne nootropic/quantified-self statistics/bayes statistics/power-analysis survey https://gwern.net/longevity https://gwern.net/longevity Attempts at considering the profitability of life-extension interventions for healthy adults Gwern Mon, 01 Jun 2015 00:00:00 +0000 2018-10-26T00:00:00Z essay cs/r statistics/bayes statistics/decision statistics/order statistics/power-analysis statistics/survival-analysis https://gwern.net/wood-pillow https://gwern.net/wood-pillow China & Egypt used wooden pillows; my recreations fail Gwern Fri, 26 Sep 2008 00:00:00 +0000 2016-12-22T00:00:00Z essay nootropic/quantified-self personal https://gwern.net/treadmill https://gwern.net/treadmill Notes relating to my use of a treadmill desk and 2 self-experiments showing walking treadmill use interferes with typing and memory performance. Gwern Tue, 19 Jun 2012 00:00:00 +0000 2016-10-29T00:00:00Z essay cs/r cs/shell nootropic/quantified-self psychology/spaced-repetition https://gwern.net/melon https://gwern.net/melon Analysis of whether bitter melon reduces blood glucose in one self-experiment and utility of further self-experimentation Gwern Mon, 14 Sep 2015 00:00:00 +0000 2016-07-29T00:00:00Z essay cs/r nootropic/quantified-self statistics/bayes statistics/decision https://gwern.net/soylent https://gwern.net/soylent Proposal to use meal-replacements to partition daily variance in mood/productivity between diet and other factors Gwern Wed, 22 May 2013 00:00:00 +0000 2016-07-11T00:00:00Z essay cs/r food nootropic/quantified-self psychology statistics/power-analysis https://gwern.net/weather https://gwern.net/weather Rain or shine affect my mood? Not much. Gwern Tue, 19 Mar 2013 00:00:00 +0000 2015-12-18T00:00:00Z essay ai/tabular cs/r nootropic/quantified-self psychology statistics/power-analysis https://gwern.net/lewis-meditation https://gwern.net/lewis-meditation Multilevel modeling of effect of small group’s meditation on math errors Gwern Fri, 12 Jul 2013 00:00:00 +0000 2013-07-25T00:00:00Z essay cs/r nootropic/quantified-self psychiatry/meditation statistics