How strength training affects bone density, which exercises load bone, a starter programme, calcium needs by country, and safety with osteoporosis.
What the guidelines and step-count research say about sitting less and moving more, why 10,000 steps is a myth, and simple habits that fit an ordinary day.
What research shows about drinking water and skin, why it is not the main factor for dryness or wrinkles, fluid guidelines by country, and what helps.
What normally changes in sleep with age, how to tell normal from a problem worth checking, why it matters for recovery, and a practical plan.
Which healthy ageing habits have strong evidence, where popular protocols overreach, a cost-and-evidence comparison and a checklist for judging new claims.
Five habits linked with healthier ageing, how strong the evidence for each really is, what guidelines recommend, and a simple weekly plan.