New research has just given every busy woman over 40 a solid reason to keep showing up for her strength sessions, and the number at the centre of it is smaller than you'd think.
A study published in the British Journal of Sports Medicine tracked data from more than 147,000 men and women over three decades.
The findings were clear: people who consistently did between 90 minutes and two hours of weight training each week lowered their risk of dying from any cause by 13%.
Their risk of death from cardiovascular disease, including heart attacks and stroke, dropped by 19%.
For neurological disease, including dementia, the reduction was even higher, at 27%.
You Don't Need More Hours, You Need the Right Ones
Here's the detail that matters most if your week is already full: researchers found that training beyond two hours a week didn't add any extra benefit. The sweet spot is smaller and more achievable than most people assume.
That's a relief for anyone who has ever felt guilty about not being in the gym five days a week.
Two sessions of 45 minutes, or three shorter sessions, is enough to be doing real, measurable work for your long-term health.
The people who saw the biggest drop in risk, up to 58%, were those combining high levels of aerobic activity with strength training.
But the strength piece on its own was doing serious work, independent of cardio.
Why This Matters More As You Get Older
Personal trainers who work with women in this stage of life see the pattern up close.
Joint pain, low energy, and a slower metabolism are common complaints, and strength training is consistently one of the most effective tools for addressing all three.
Building muscle helps regulate blood sugar, supports joint health, and strengthens bone density, which becomes increasingly important as oestrogen levels shift.
There's also a cognitive angle that doesn't get talked about enough. Trainers report that clients who commit to regular resistance training notice sharper focus and better memory, alongside feeling physically stronger.
Sport England has echoed this in its own commentary on the research, describing strength-based activity as a powerful tool for healthy ageing, one that helps keep people mobile, independent, and less reliant on stretched health and care services later in life.
What This Looks Like in Real Life
Kate Hogarth, one of the people interviewed as part of the coverage of this research, is only 28, but she's already training with her 70s and 80s in mind. She wants to be able to travel, stay active, and pick up her grandchildren without hesitation. That's the long game strength training plays, and it's never too early or too late to start building toward it.
If you're in your 40s, 50s, or beyond and have wondered whether lifting weights is really worth carving out time for, this research gives you a clear, evidence-based answer: yes, and less time than you'd expect.
Where to Start
You don't need a complicated programme or hours of spare time. You need a plan that fits the two hours a week that actually move the needle, built around your body, your schedule, and your stage of life.
That's exactly what we build at Plan B Fitness. If you want a strength training plan designed around your real week rather than a generic template, get in touch and we'll help you find the right starting point.
Let's start the conversation here:
https://planbfitness.co.uk/letschat
Source: British Journal of Sports Medicine, via BBC News, 3 June 2026. https://www.bbc.co.uk/news/articles/c0r2lekenlpo
About the author
Chris Hipsey (Level 3 PT, CIMSPA-registered) is the founder of Plan B Fitness, a personal training and nutrition coaching service based in Teddington & Twickenham (south-west London), Goring (Oxfordshire) and Taunton (Somerset). He works with clients in-person and online to build sustainable training and nutrition routines without obsessing over the scale.
