The way you feel at 70 is being decided right now, in the workouts you do, the sleep you protect and the habits you build while life is busy.
We all know someone who reaches their seventies strong, steady and fully independent, and someone who does not. The difference is rarely luck. Researchers are increasingly convinced that decline in later life is not an inevitability. Eric Verdin, president and CEO of the Buck Institute for Research on Ageing, believes most people could expect to live to 90 or even 95 in good health if they optimised their lifestyle. Today, most people stay healthy only until 65 or 70 and then face years of illness and lost independence.
That gap is something we can close, and the work starts now.
Why your 30s are the decade that counts
It is never too late to improve your health, and we say that to members of every age. But the research points to your 30s as a key window. This is when muscle mass and strength, bone density and metabolic regulation begin to show their first subtle age related changes.
João Passos, a professor of physiology at the Mayo Clinic’s Kogod Center on Ageing, describes it as an important opportunity to reinforce behaviours that build long term resilience. Large studies that have followed tens of thousands of people for decades, including the Framingham Heart Study and the Nurses’ Health Study, show that people who keep healthier lifestyles in midlife have lower risks of cardiovascular disease, cognitive decline and frailty, even decades later.
As Passos puts it, we cannot stop ageing, but we can certainly shape its trajectory.
Build a higher peak
Researchers like to study masters athletes, people over 35 who still compete well into their 60s and beyond. They age differently. They reach a higher peak in cardiovascular function and muscle strength, and their decline comes later. Paul Morgan, a senior lecturer in nutrition and metabolism at Manchester Metropolitan University, says this gives them an additional reserve that acts as a protective barrier through the middle stages of life.
His advice for the rest of us is simple. Aim to hit the highest peak you can in your 30s, especially in three areas: aerobic capacity (your VO2 max, the maximum amount of oxygen your body can use during exercise), flexibility and muscle strength.
The lower body deserves special attention. Tripping and falling is one of the biggest risks for anyone over 70, and it is linked to lost agility and reduced range of motion in the joints. Morgan sees the muscles of the legs, the ones responsible for getting us around, as having the biggest role in keeping us independent and healthy in later life.
In other words, strong legs, strong muscles and a strong engine today are what let you travel, play with your grandchildren and live in your own home decades from now.
Thirty minutes is all it takes to start
We hear the same thing from so many of our members. Work, family, travel and a full diary make it hard to find an hour for the gym. That is exactly why we built Threezero around 30 minute workouts.
Every session is designed to do two jobs at once. It builds muscle and strength, and it pushes your VO2 max, the two things the research says matter most when it comes to ageing well. You do not need to spend half your day in the gym to get there. You need a smart, focused session, done consistently.
The science backs the idea that small, regular efforts add up. One study found that as little as five minutes of moderate to vigorous activity a day can help slow brain ageing, and Aditi Gurkar, an assistant professor of medicine at the University of Pittsburgh, says even a brisk 15 minute walk after a meal can make a meaningful difference. Imagine what a full 30 minutes of purposeful training can do for your heart, your muscles and your mind.
Thirty minutes fits before work, at lunch or on the way home. It is short enough that you will actually show up, and effective enough that showing up pays off for years.
The small habits that back up your training
Training is the foundation, but the experts point to a few simple habits that work alongside it.
Protect your sleep. Verdin highlights consistent sleep as key to avoiding age related brain shrinkage and lowering dementia risk. Going to bed and waking up at the same time each day matters. He even sets an evening alarm, not to wake up but to remind himself to go to bed. As he says, even one short night changes your metabolism and chips away at the willpower that keeps you healthy.
Ease up on alcohol. Your 30s are a good time to start cutting back. Alcohol is linked to changes in gene expression that speed up ageing, and it is a major disruptor of sleep.
Give your body a break from eating. Verdin suggests a manageable 12 hour eating window and 12 hours of fasting. In his words, when you are eating you are building, and when you are fasting you are repairing.
Eat more colour. Fruit and vegetables rich in carotenoids, such as sweet potato, carrots, mango and apricots, are linked to slower ageing, possibly because they help protect our cells from oxidative stress.
Take that walk. A brisk 15 minute walk after a meal is a simple win on the days you cannot get to the studio.
Your future self is counting on you
It is easy to feel invincible in your 30s, but the clock ticks for all of us. The good news is that you have more control over how those years play out than you might think. Every session you complete is a deposit into the strength, fitness and independence you will want at 60, 70 and beyond.
So do the work now. Start with 30 minutes, build the habit, and let your future self say thank you.
Ready to get started? Book your first session at www.threezero.co.za or send us a message on Instagram at @threezero_sa. We would love to meet you, and we will be with you every step of the way.
