Our shopping trolley is a snapshot of our life – we pick the same brands, we cook our usual recipes, and fall into patterns by default. These small, everyday decisions may seem trivial, but they all add up over time.
In The Good, the Bad and the Healthy, Sunna van Kampen, founder of Tonic Health, helps you press pause, check the label, and make smarter health choices that don’t require a lifestyle overhaul.

Each chapter focuses on a different aspect of your daily routine – from the breakfast foods you eat to the way you wash your clothes. He peels back the marketing veil and reveals what’s really in the products you buy – and shows you how to choose better.

Practical, myth-busting, and refreshingly doable, this book isn’t about perfection. It’s about recognising the best options, avoiding the worst, and finding a balance – so healthy becomes easy, one smart swap at a time.

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THE SEQUEL TO THE MULTI-MILLION COPY BESTSELLER THE OBESITY CODE

“Jason Fung nails it again in The Hunger Code. This book clearly and compellingly explains why most Americans are overweight and gives us a concise, evidence-based way to manage our weight with as little hunger as possible.”—Dan Buettner, New York Times bestselling author of The Blue Zones

The Obesity Code helped thousands of people lose weight naturally.

The Hunger Code will help thousands more lose weight—and keep it off—in an era of weight-loss drugs and ultra-processed foods…without counting calories.

For generations, we’ve accepted the story that weight loss can never last—that as soon as we go off the diet or stop taking the medication, we revert to our old habits, regain the weight, and the calorie-counting journey starts all over again. Traditional medicine continues to treat the symptom of weight gain rather than addressing its root causes. Too often, healthcare systems intervene with quick fixes and short-term solutions, ignoring the factors that lead to sustainable weight loss that can last a lifetime.

What if the secret to long-term weight maintenance and better health isn’t just about what you eat—or even when you eat—but why you eat?

With the food industry’s reliance on ultra-processed foods and the popularity of Ozempic and Mounjaro, understanding the forces behind why we eat is more important than ever before.

In The Hunger Code, New York Times bestselling author Dr. Jason Fung reveals the three powerful forces that drive us to eat:

– Physical Hunger

– Emotional Hunger

– Social Hunger

Dr. Fung also introduces the concept of the body’s “fat thermostat”—a biological “set point” that regulates how much fat your body tries to maintain. Guided by hormones and metabolism, this internal system drives hunger and energy use, explaining why lasting weight loss requires more than just willpower …

With three Golden Rules and 50 actionable tips, The Hunger Code empowers you to recognize and respond to hunger appropriately. Learn how to slow digestion, break emotional eating cycles, and overcome social pressures to eat constantly, so you can maintain a healthy weight—from scratch, after fasting, or after using weight-loss drugs.

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