From our videos
The fixes behind our latest posts, newest first. Open the one you just saw for the studies behind it and what is still uncertain.
- Do short videos hurt your attention span?1 November 2026Make short videos a choice, not a reflex: keep them closed for your next study or work block, then open them afterwards, on purpose.
- Is very hot tea linked to cancer?1 November 2026Let your tea cool until it feels warm, not hot, before you take the first sip.
- How much exercise do you need to live longer?30 October 2026Get about 75 minutes of brisk movement a week.
- Is short sleep bad for you?30 October 2026Wake up at the same time every day, even on weekends.
- Does eating fast make you gain weight?27 October 2026Put the fork down between bites.
- Does sleeping with the light on affect your sleep?27 October 2026When you lie down to sleep, turn the lights off.
- Does using your phone in bed hurt your sleep?26 October 2026Put your phone across the room, not on the nightstand.
- Is sitting all day bad for you, even if you exercise?26 October 2026Take a few minutes of easy walking every half hour, and aim for about an hour of daily movement.
- Should you walk after eating?18 October 2026Take a 10-minute easy walk right after your biggest meal, usually dinner.
- Are you eating enough fruit and vegetables?15 October 2026Add one more portion of fruit or veg to a meal that you're already eating.
- Does a drink before sleep help?15 October 2026Skip the drink before sleep. On any night you want to sleep well, stop using a drink as the thing that gets you to sleep.
- Is flossing necessary?14 October 2026Add flossing to the brushing you already do.
- What is a safe headphone volume?14 October 2026Turn it down until you could still hear someone talking beside you, and leave it there. A percentage of maximum volume tells you nothing about how loud that is.
- Does cardio fitness predict how long you live?13 October 2026Twice a week, walk or take the stairs briskly enough that you can still talk but not sing.
- How much strength training do you need?13 October 2026Twice a week, do one short set of sit-to-stands from your chair and push-ups against a counter.
- How do you calm down from stress?11 October 2026Slow your breathing to about six breaths a minute.
- Is processed meat bad for you?11 October 2026Swap one processed-meat meal a week for something you already eat.
- Are sugary drinks linked to diabetes?10 October 2026Swap one sugary drink a day.
- Is fibre only for digestion?10 October 2026Swap one refined staple you already eat for its whole version.
- Does exercise help depression?7 October 2026Put a brisk walk in tomorrow the way the trials ran it.
- How late can you drink coffee and still sleep well?4 October 2026Count back eight hours from the time you actually go to bed.
- How many steps a day do you really need?3 October 2026Add a thousand steps to wherever you are now.
- Does morning light help your body clock and sleep?1 October 2026Take something you already do in the morning.
- Is ultra-processed food bad for you?1 October 2026Swap one ultra-processed thing a day for a whole-food version.
- Does running ruin your knees?27 September 2026If something is stopping you from running, it should not be the fear of wrecking your knees.
- How much does cutting salt lower blood pressure?27 September 2026Taste your food before you reach for the salt, and move the shaker off the table.
- Is social isolation bad for your health?27 September 2026The next time you say we should catch up sometime, do not let it stay sometime. Name a day before the conversation ends, and set it to repeat.
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