253: Intermittent Fasting & Time Restricted Eating: Research And Applications – Dr. Krista Varady [f74cd7]

2025-07-18

Post Time: 2025-07-18

Maintaining a healthy blood sugar range is essential for optimal health, but it can be confusing to navigate. With so much information available, it's easy to get caught up in the hype and make decisions that may not necessarily lead to better outcomes.

The Role of Diet in Regulating Blood Sugar Levels

When it comes to managing blood sugar levels, diet plays a crucial role. Foods like fiber-rich fruits and vegetables help slow down the digestion process, preventing sudden spikes in blood sugar levels (Role of Fiber: The impact of fiber on blood sugar control). Incorporating protein sources into meals can also have a positive effect by stabilizing insulin sensitivity.

Blood Sugar Fluctuations and Insulin Sensitivity

Insulin resistance occurs when cells become less responsive to insulin, leading to increased blood glucose levels. It's essential to note that fluctuations in blood sugar range may not always be due to poor dietary choices (The Science Behind Normal Blood Sugar Range Explained). Exercise, stress, sleep quality, and certain medical conditions can also impact insulin sensitivity.

Understanding the Glycemic Index

The glycemic index is a measure of how quickly foods raise blood glucose levels. Foods with high GI values should be consumed in moderation to avoid large spikes in blood sugar (Glycemic Index: How glycemic index impacts blood sugar regulation). Focus on whole, unprocessed foods like fruits, vegetables, lean proteins, and healthy fats.

Stabilizing Blood Sugar Through Lifestyle Adjustments

In addition to diet, lifestyle adjustments can also significantly impact blood sugar levels. Regular physical activity has been shown to improve insulin sensitivity (Exercise and Blood Sugar: How physical activity impacts blood sugar levels). Aim for at least 150 minutes of moderate-intensity exercise or 75 minutes of vigorous-intensity exercise per week.

Managing Stress and Its Impact on Blood Sugar

Stress can have a significant impact on blood sugar fluctuations, particularly if left unmanaged (The Link Between Stress and Blood Sugar Range Fluctuations). Find healthy ways to manage stress such as through yoga, meditation, or deep breathing exercises.

The Science Behind Intermittent Fasting for Weight Management and Health Outcomes Intermittent fasting (IF) diets are rising in popularity and more human clinical trials are being conducted to determine their safety and efficacy. The most studied forms of intermittent fasting to date include alternate day fasting (‘fast day’ alternating with ‘feast days’), the 5:2 diet (two low blood sugar eyesight fast days and five feast days per week), and time-restricted eating (only eating within a specific window of time each day). However, only a few studies have examined the health benefits of these diets in humans. This episode discusses these findings and shares insights into the effects of intermittent fasting on body weight and risk factors for cardiometabolic disease as well as practical advice for how to incorporate intermittent fasting diets and recommendations for future research. Tune into this episode with IF researcher Dr. Varady to learn about: · Different types of IF and why it’s rising in popularity · How much research has been done in animals and humans · blood sugar is 53 What the research shows regarding safety and efficacy · How IF may impact cardiometabolic risk factors including blood pressure, lipids, glucose, insulin, insulin resistance, inflammation and oxidative stress · What IF research has shown regarding diet quality and protein intake · Whether fasting has been shown to trigger overeating · The role of behavior change counseling · What the research indicates about meals that don't spike blood sugar maintenance of lean body mass and maintaining weight loss · Potential adverse effects of IF · Limitations in the research · How post-menopausal women respond to IF · A new study on IF and type 2 diabetes · An overview of what the body of research shows regarding breakfast and weight management · Future research directions for IF · Tips for getting started, who might benefit most and who may not be a good candidate Full shownotes, transcript and resources at:
253: Intermittent Fasting & Time Restricted Eating: Research and Applications – Dr. Krista Varady
253: Intermittent Fasting & Time Restricted Eating: Research And Applications – Dr. Krista Varady [f74cd7]