Sarcopenia and Frailty: What No One Tells You
Dear Friends,
As we continue the conversation about living longer and better, it is time to address a subject that is often misunderstood or quietly accepted: muscle loss and frailty.
In Episode 5 of the Live Longer Better Podcast, we explore sarcopenia and frailty, what they are, how they differ, and why neither should be seen as inevitable. Losing muscle strength and physical capacity is not automatically a consequence of the normal biological process of ageing.
Sarcopenia refers to muscle weakness and loss of strength, while frailty reflects a wider vulnerability that affects balance, resilience, and independence. Both are shaped far more by lifestyle and environment than by ageing itself. For example, having had a job that required you to sit for 40 years.
Using your muscles and maintaining your fitness are not abstract health goals. They are about preserving the life you want to live, including moving confidently and being able to achieve crucial tasks like getting to the toilet on time!
The evidence is clear. Muscle loss and physical vulnerability are largely preventable. Regular resistance exercise, sufficient protein intake, and attention to hormonal health all matter. You cannot separate movement from nutrition, and hormones should not be forgotten. Leslie Kenny, for example, is a strong advocate of bioidentical hormone replacement therapy, which can help women maintain muscle mass, bone quality, and strength, among other benefits.
An active lifestyle also supports bone health. Muscles and bones work together, and strength has rightly become a key topic in the public conversation. Strength is no longer optional.
Ask yourself a simple question today: are some everyday activities more difficult than they were five years ago? If the answer is yes, the next step is not acceptance, but action. Getting started now is one of the most effective ways to protect your future health and independence.
Practical actions:
Prioritise protein intake: aim for ~1.2 g of protein per kilogram of bodyweight per day
Include regular resistance training as part of your “Daily Dozen”
Schedule at least two 30-minute guided sessions per week, such as strength training with a trainer or classes like Pilates, Tai Chi, or Yoga
Stay physically active day to day to support muscle and bone health
Warm regards,
Sir Muir Gray