The Back Story

Can You Trust Calories? The Truth Behind Food Labels

We’ve all done it—flipped over a food label and made a decision based on calories.But what if that number isn’t as accurate as you think?In this episode, Dr. Jaspal Ricky Singh breaks down the science behind calorie counting—and why it may be more of an estimate than a fact. From the origins of nutrition labels to modern research on metabolism and food absorption, this conversation challenges the way we think about energy, weight, and nutrition.You’ll learn:What a calorie actually is—and how it’s calculatedWhy food labels can be off by up to 20%How processed vs. whole foods impact how your body absorbs energyThe history behind FDA nutrition labeling—and where it falls short todayA smarter, more practical way to approach nutrition without obsessing over numbersThis isn’t about ignoring calories—it’s about understanding their limitations and focusing on what actually drives health and performance.Your metabolism doesn’t read labels. It responds to biology.Support the show

The 20 Minute Nap That Could Save Your Life: Why a Screening Colonoscopy Is Worth It

Colon cancer—also called colorectal cancer when we include the rectum—is tragically common but highly preventable and treatable when caught early. Here’s the headline: colonoscopy doesn’t just find cancer; it prevents it by removing polyps before they turn into cancer. That’s like pulling weeds before they choke the garden.But there’s a problem. Too many people either:Put it off,Think they’re too young,Or fear the prep more than the disease.I get it. The prep has a reputation. But medicine has evolved, the prep options are better, the sedation is kinder, and the benefits? Off the charts. And if you’re nervous about the prep, remember: I lost 6 lbs, the prep wasn’t terrible, the day of the procedure was a blessing, and it was the best 20‑minute nap I ever took. I’d do it again without hesitation—because prevention beats treatment every time.Support the show

Top 10 Health Myths Debunked

💬 “Diet soda is worse than regular soda.”Myth: Artificial sweeteners are more harmful than sugar.Reality: While not necessarily healthy, diet sodas are generally less harmful than sugary sodas in terms of calorie and sugar content. However, concerns remain about long-term effects of artificial sweeteners on gut health and appetite regulation. 🍷 “Red wine is good for your heart because of resveratrol.”Myth: A glass of red wine a day is heart-healthy.Reality: Resveratrol has shown benefits in lab studies, but the amount in wine is too small to have a significant effect. The risks of alcohol often outweigh the benefits.🥚 “Eggs raise your cholesterol and are bad for your heart.” Myth: Dietary cholesterol = blood cholesterol.Reality: For most people, moderate egg consumption does not significantly impact blood cholesterol or heart disease risk.🥛 “You need milk for strong bones.” Myth: Only dairy provides enough calcium.Reality: While dairy is a good source, many other foods (leafy greens, fortified plant milks, tofu) and lifestyle factors (like weight-bearing exercise) contribute to bone health.💧 “You must drink 8 glasses of water a day.” Myth: Everyone needs exactly 64 oz of water daily.Reality: Hydration needs vary by individual, activity level, and climate. Thirst is usually a good guide.🌿 “Natural products are always safer and better.” Myth: “Natural” means healthy.Reality: Many natural substances (e.g., arsenic, cyanide) are toxic. “Natural” is not a regulated term and doesn’t guarantee safety or efficacy.🥗 “Detox diets cleanse your body.” Myth: Juices, teas, or fasts remove toxins.Reality: Your liver and kidneys already detox your body efficiently. Most detox products are unnecessary and sometimes harmful.🧬 “You can boost your metabolism with certain foods or supplements.” Myth: Spicy foods, green tea, or pills can significantly increase metabolism.Reality: While some foods have a minor thermogenic effect, sustainable metabolism changes come from muscle mass and physical activity.🥩 “High-protein diets damage your kidneys.” Myth: Protein is harmful to kidney function.Reality: In healthy individuals, high-protein diets are generally safe. The concern mainly applies to those with pre-existing kidney disease.🛌 “You can catch up on sleep over the weekend.” Myth: Sleeping in on weekends reverses sleep debt.Reality: While it may help temporarily, chronic sleep deprivation can’t be fully undone with weekend recovery sleep. Support the show

Why Are NBA Players Tearing Their Achilles?

From Kevin Durant to Tyrese Haliburton, Jayson Tatum, and Damian Lillard — elite athletes are going down with devastating tendon tears. But why now? What’s changed? And what can be done to prevent these injuries?Let’s break it down.Why Do Tendons Get Injured? 1. Mechanical Overload2. Tendinopathy and Degeneration3. Aging and Reduced Blood Flow4. Biomechanical Imbalances5. Systemic Risk Factors6. Sudden Load IncreasesWhat the Science Says About Tendon Protection1. Eccentric Strength Training2. Progressive Load Management3. Cross-Training and Movement Variety4. Adequate Recovery and Sleep5. Nutrition for Tendon Health6. Footwear and BiomechanicsSupport the show

The Science of Burning Calories and New Insights on GLP-1 Agonists

You’ve probably heard of drugs like Ozempic, Wegovy, and Mounjaro. These medications have become household names, not just for managing diabetes, but for their profound impact on weight loss and metabolic health.In this episode, we’ll unpack the mechanism of action, explore the evolution of these drugs, discuss their long-term safety and efficacy, and take a deep dive into how they affect body composition. We’ll also talk about compound formulations, new innovations, and the broader health implications of these therapies.Understanding the science of burning calories is essential for anyone looking to manage their weight, improve their fitness, or simply lead a healthier lifestyle. Calories are units of energy that our bodies use to perform various functions, from basic metabolic processes to physical activities. In this newsletter, we will explore the different components that contribute to calorie burning, including Basal Metabolic Rate (BMR)Thermic Effect of Food (TEF)Exercise Activity Thermogenesis (EAT),Non-Exercise Activity Thermogenesis (NEAT)By optimizing these components through a balanced diet, regular exercise, and an active lifestyle, you can effectively manage your weight and improve your overall health. Remember that individual differences play a significant role in calorie burning, so it's essential to tailor your approach to your unique needs and goals.Support the show