1) The document analyzes the author's resting heart rate data over multiple years from the OpenHumans platform and compares it to different diets. 2) A study is cited that found higher resting heart rates are correlated with increased risk of all-cause and cardiovascular mortality. 3) The author concludes that their resting heart rate was higher in 2020, and that low-carb diets and fasting increased their resting heart rate.