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cover of episode Food before exercise: What does science say?

Food before exercise: What does science say?

2023/9/7
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ZOE Science & Nutrition

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Jonathan Wolf
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Javier Gonzalez教授:这项研究招募了30名超重或肥胖的男性,随机分为三组:一组在实验室进行中等强度的自行车运动后吃早餐;另一组先吃早餐再骑自行车;还有一组不做任何运动。研究发现,空腹运动的男性燃烧的脂肪是餐后运动的两倍。然而,这并不意味着空腹运动一定能导致体重减轻。空腹运动的益处在于它对血糖和胰岛素敏感性的影响。运动可以帮助将血糖从血液转移到肌肉细胞,从而降低患2型糖尿病的风险。这项研究还发现,空腹运动可以改善胰岛素反应,这意味着身体需要产生更少的胰岛素来控制血糖水平,从而降低患2型糖尿病的长期风险。 Jonathan Wolf:这项研究结果令人惊讶,改变了我对运动和饮食的看法。我尝试了空腹运动,发现即使在空腹状态下,也能保持与以往相同的运动强度和表现。这表明,对于大多数人来说,身体储存的能量足以支撑中等强度的运动。 Jonathan Wolf: 讨论了空腹运动对减肥和整体健康的影响,特别是对血糖和胰岛素敏感性的影响。他分享了自己的经验,发现空腹运动并不会影响运动表现,反而可能对血糖控制有益。他强调了这项研究的重要性,以及在未来研究中需要纳入更多女性参与者的必要性。

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Discussing the benefits and misconceptions of exercising on an empty stomach, focusing on fat burning and its relation to weight loss.

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Most of us like to have breakfast before we exercise in the morning, but what happens if we don’t eat anything first?

The issue goes beyond weight loss and exercise timing to involve blood sugar, insulin sensitivity, and other — perhaps unexpected — aspects of your health.

In today’s short episode of ZOE Science & Nutrition, Jonathan and Professor Javier Gonzalez ask: Should we exercise on an empty stomach?

If you want to uncover the right foods for *your *body, head to joinzoe.com/podcast) and get 10% off your personalised nutrition program.

Mentioned in today’s episode:

Lipid metabolism links nutrient-exercise timing to insulin sensitivity in men classified as overweight or obese) from The Journal of Clinical Endocrinology & Metabolism 

Body composition changes associated with fasted versus non-fasted aerobic exercise) from Journal of the International Society of Sports Nutrition 

The Acute Effects of Interrupting Prolonged Sitting Time in Adults with Standing and Light-Intensity Walking on Biomarkers of Cardiometabolic Health in Adults: A Systematic Review and Meta-analysis) from Sport Medicine 

Exercising Tactically for Taming Postmeal Glucose Surges) from Hindawi 

Exercise-stimulated glucose uptake — regulation and implications for glycaemic control) from Nature Reviews Endocrinology

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Episode transcripts are available here).

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