Habits
How to set targets you can keep and build habits that last, such as exercising more or smoking less.
Why cutting down helps less than you'd expect, what a meta-analysis of 141 studies found about one cigarette a day, how cutting down can lead to quitting, and how counting helps.
November 4, 2026 · 3 min read
Symptoms
Why patients' own reports catch symptoms clinicians miss, the five-level severity scale from the US National Cancer Institute's PRO-CTCAE, and what to record so a diary answers a doctor's questions.
November 4, 2026 · 2 min read
Activity
The WHO's and the US guidelines' 150 to 300 minutes of moderate activity, how vigorous minutes count double, why any amount helps, and what a watch's exercise minutes do and don't count.
November 4, 2026 · 3 min read
Activity
What a large review of meditation trials found for anxiety, depression, pain, and stress, what it didn't find, how much practice the trials involved, and how to keep a practice going.
November 4, 2026 · 2 min read
Activity
Why guesses about your own hours are unreliable, how time diaries and timers record them instead, what a calendar does and doesn't tell you, and how to turn what you find into a target.
November 4, 2026 · 3 min read
Wellbeing
Why ratings made in the moment are more accurate than looking back, how to keep a simple 1 to 5 rating useful, and how to see what your days have in common.
November 4, 2026 · 3 min read
Sleep
Sleeping at the same times each day is its own part of good sleep. Here's how researchers measure it, what large studies have found, and how to follow your own.
November 2, 2026 · 4 min read
What research says about how habits form, why missing one day matters less than you think, and how to set targets you'll keep meeting.
October 26, 2026 · 5 min read
Nutrition
How much protein and fiber adults are advised to eat, why a single day says little, and how to follow your intake week by week from your food diary.
October 25, 2026 · 5 min read