Slow breathing for acute stress
It genuinely does something measurable in the moment. It is not a treatment for the thing making you stressed, and the distinction matters.
Magnesium for sleep: what we actually know
It is everywhere on social media and the evidence is thin. That does not make it useless, but it does mean you should know what you are buying.
Caffeine timing does more for your sleep than most sleep products
Caffeine stays in your system far longer than it feels like it does. Moving your last coffee is free, and it works.
Walking: how much actually matters
The benefit arrives far earlier than ten thousand steps, and the biggest gain is for the people currently doing least.
Strength training is the closest thing we have to a treatment for ageing badly
Two sessions a week, from your forties onward, changes how the rest of your life goes. The evidence here is about as strong as lifestyle evidence gets.
Intermittent fasting: what it does, and what it does not
It works about as well as any other way of eating less. The interesting question is whether it suits you, not whether it is magic.
Do you need a multivitamin?
For most people eating a reasonable diet, the honest answer is no. Here is who genuinely benefits, and why the rest of us keep buying them anyway.
Fibre is the single best-evidenced change most people can make to their diet
Most adults eat about half the fibre they should. Fixing that has better evidence behind it than almost anything else on a supplement shelf.