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Why Most People Regain the Weight (and How to Keep It Off This Time)

October 27, 2026•3 min read


You’ve probably lost weight before. Maybe more than once.

You cut carbs, trained hard, the scale moved, and your clothes fit better. Then work got busy, a trip came up, and a few months later you were back where you started.

You’re not alone. Research reviews have found that most people who lose weight regain most of it within three to five years (Hall and Kahan, 2018). Usually they did the losing part well and skipped the parts that keep it off.

Why smart, driven people still regain it

Two reasons come up again and again.

The environment works against you. Food that’s built to be overeaten is everywhere. Your job means meetings, client dinners, travel and stress. Willpower can carry you for a few months, but not against that every day.

The plan had no ending. Most diets are built to lose weight and nothing else. When the goal is hit, there’s no plan for what comes next, so you slide back to the habits that put the weight on in the first place.

Build the foundation first

Before you focus on the scale, get these four habits steady. They’re what hold the result in place when life gets busy.

  • Sleep: 7–8 hours, same wake-up time every day. No extra time.

  • Protein: 30–50 g at each meal. It keeps you full and protects your muscle. No extra time once meals are set up.

  • Steps: 7,000–10,000 a day. Walk during calls and after meals. Mostly folded into your day.

  • Strength training: 2–3 full-body sessions a week. Try to do a little more than last time, whether that’s one more rep or five more pounds. 2–3 hours a week.

Pick one, make it automatic, then add the next. This part feels slow. It’s also the part that decides whether the weight stays off.

Then lose the weight in seasons

Think about it like a sports season instead of one big push.

Pre-season (2–4 weeks): learn. Track what you eat for a short while, just to see where you are. Weigh yourself a few times a week, measure your waist, and take photos. A DEXA scan is a great extra if you can get one, because it shows fat and muscle separately.

In-season (8–16 weeks): do the work. Eat a bit less, keep protein high, lift 2–3 times a week, walk daily, and sleep well. This is where the fat comes off.

Off-season: keep the win. This is the step almost everyone skips. Bring food up slightly, keep lifting, and keep checking your weight and waist, just less often. If you go back to the exact life that caused the weight gain, your body goes back too.

A word on GLP-1 medications

Drugs like Ozempic, Wegovy and Mounjaro can be a real help, especially when your health is at risk. Talk to your doctor about whether they make sense for you. Just know that without strength training and enough protein, a good chunk of the weight you lose can be muscle. Muscle protects your bones and metabolism as you age, so keep it while you lose the fat.

The short version

Build the four habits first. Lose the weight in a planned season. Then plan the off-season before you finish. Do it that way once, and you won’t have to start over every January.


Want help putting this into your week?

At Ludus, we build the plan around your schedule, so you know exactly what to do and someone notices when life gets in the way.

→ Book a free consultation

Not ready yet? Start with one of our free guides.

Liam McVarnock
Liam McVarnock is the founder of Ludus Wellness, a Calgary-based nutrition and fitness coaching company helping busy professionals look, feel and perform better. A Precision Nutrition Level 2 coach and personal trainer since 2018. Liam helps clients lose body fat, build strength and create healthier routines around demanding careers, travel and real life
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