Dr. Emily Manoogian from the Salk Institute discusses how changing meal times can aid in weight loss, lower blood pressure, and reduce Type 2 diabetes risk. They explore the benefits of time-restricted eating, aligning meals with circadian rhythms, and the negative effects of late-night eating on sleep and health.
Time-restricted eating can improve health by extending overnight fasting period and aligning with circadian rhythms.
Eating early in the day and avoiding late-night meals can benefit weight loss, blood pressure, and diabetes risk.
Deep dives
Benefits of Time-Restricted Eating
Time-restricted eating involves extending the overnight fasting period to improve health. Studies have shown that fasting for 12 to 14 hours can lower blood pressure, enhance sleep quality, aid in weight loss, and reduce the risk of diabetes. By simply adjusting the timing of meals without changing the food consumed, individuals can experience significant health benefits.
Scientific Insights into Time-Restricted Eating
Research indicates that time-restricted eating aligns with our body's circadian rhythms, impacting metabolic processes and overall health. Eating close to bedtime can disrupt circadian rhythms, leading to elevated blood glucose levels and potential health issues. By following a consistent eating window and prioritizing early-day calorie intake, individuals can support their circadian system and promote better physiological function.
Practical Guidelines and Impact of Time-Restricted Eating
Adopting an 8 to 10-hour eating window, starting after waking up and ending before bedtime, is recommended for time-restricted eating. Concentrating calorie intake in the first half of the day and ensuring a consistent sleep schedule further enhances the effectiveness of this approach. Time-restricted eating has demonstrated benefits in weight loss, glucose regulation, blood pressure reduction, and cholesterol improvement for overall health and well-being.
Can’t face cutting down on your favourite foods? In this episode, Michael Mosley speaks to Dr Emily Manoogian from the Salk Institute in California to find out how simply changing when you eat - not what you eat - could help you lose weight, lower your blood pressure and cut your risk of Type 2 diabetes. They reveal what exactly happens when your eating times work against your body’s internal rhythms, and why eating late at night can stop you from going to sleep.
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