January 2026: reframing negativity bias, meaning and mindset, VO₂ max training, brutally hard winter workouts, metabolic health and dementia risk, interval walking for longevity, coffee and mortality, lead exposure and food safety, saffron vs SSRIs, recency bias and happiness, prenatal vitamins and autism risk, kids and screens, restoring childhood independence, favorite articles and podcasts, books worth reading, and a hard reset on family priorities.