Sleep changes as we get older, and much of that is normal. What the evidence supports, what it does not, and when a sleep problem needs a doctor.
Alternating hot and cold water is a popular recovery practice. Here is what the mechanisms are, what the evidence supports, and how to try it safely.
Cold plunges have gone mainstream. Here is what the research supports, what it does not yet show, and the safety points that matter most before you start.
Sleep needs do not shrink with age, but sleep quality often does. What current research says about rest, recovery and ageing well.