This 20 minute Doctor Alex video is very useful — 6 Warning Signs You're Ageing Faster Than You Should Be include:

  • Declining energy and slower recovery after stress or poor sleep
  • Loss of muscle and strength (sarcopenia)

You don't need to overhaul your entire life overnight. What matters most is consistency across a few key pillars. The first one is build and protect muscle mass through resistance training at least twice a week if you can and eating enough protein. Research from numerous studies show that maintaining muscle mass is one of the strongest predictors of healthy aging.