RMR

S5E4: The Misunderstood Science of Metabolism (And Why It Matters) w/ Herman Pontzer, PhD

Season 5, episode 4

Dr. Marc Bubbs interviews Dr. Herman Pontzer, PhD, associate professor of evolutionary anthropology at Duke University and author of the new high-acclaimed book Burn to debunk the misunderstood science of metabolism.

SUMMARY OF EPISODE:
4:02​ – Why Herman chose to write Burn
6:09​ – His first experience with the Hadza tribe in Tanzania
8:35​ – How far do the Hadza walk every day? (Why does it matter?)
10:44​ – Does improving running economy impact caloric expenditure?
15:55​ – Metabolic health conditions and the effect of exercise
19:10​ – The role of the brain in appetite regulation
21:30​ – Modern food environment, gene pool, and obesity
24:30​ – Benefits of exercise on overall health
26:30​ – What are the bounds of endurance performance?
29:20​ – How many calories can you actually eat? (Get energy into the body)
33:45​ – Evolutionary hangover: sticking with our ‘tribe’
35:30​ – The cost of a calorie today vs. 100 years ago
36:40​ – The effect of gut microbiota on calories you use and take up
38:45​ – How the diet of hunter-gatherers change based on latitude
40:50 – Genetic changes in Inuit that do NOT favour ketogenic adaptations
43:20 – Evolution of research for Herman Pontzer’s team

ABOUT HERMAN PONTZER, PhD:

Dr. Herman Pontzer, PhD, associate professor of evolutionary anthropology at Duke University and author of the new high-acclaimed book Burn to debunk the misunderstood science of metabolism.

QUESTION OR COMMENT?

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S5E1: Fueling Elite Academy Football Players: From Science to Practice w/ Dr. Marcus Hannon, PhD

Season 5, Episode 1

Dr. Marc Bubbs interviews Head of Nutrition at Aston Villa Football Club Dr. Marcus Hannon, PhD to discuss fueling elite academy football players.

Summary of the Episode

1:11 – Marcus’ background

2:30 – Nutritional requirements for younger athletes

8:15 – Schedule of an academy football player

9:38 – Resting metabolic rate in younger athletes

13:00 – Are all equations appropriate for young athletes?

14:00 – Consequences of under-fueling

17:20 – Youth vs. adult athletes: physiological and metabolic differences

19:25 – Can youth athletes ‘carb load’

20:05 – Supplying carbs during training for youth athletes

22:25 – Energy expenditure in youth athletes: targets to aim for

26:58 – Senior vs. academy players – how the ‘rest of day’ impacts expenditure

28:40 – Fueling in under 14 and under 12 age groups

30:30 – Importance of establishing meal frequency

32:40 – The importance of breakfast in young footballers

35:30 – Marcus’ work with Aston Villa in the English Premier League

37:15 – Nuances in working at the highest level of professional football

39:10 – Relationship between chefs and performance nutritionists

42:15 – Evolution of performance in elite and professional football

About Dr. Marcus Hannon PhD

Dr Marcus Hannon is an SENr registered performance nutritionist and is currently Head of Nutrition for Aston Villa FC. Marcus has worked with a range of youth and adult athletes across a variety of sports including football (previously Everton Academy), rugby (previously Northampton Saints and Ulster Rugby) and boxing. Marcus is also involved in applied research and completed his PhD at Liverpool John Moores University investigating the energetic requirements of Premier League Academy footballers.

Research Papers

Energy Requirements of Male Academy Soccer Players from the English Premier League

Energy and Macronutrient Considerations for Young Athletes

Cross-sectional comparison of body composition and resting metabolic rate in Premier League academy soccer players: Implications for growth and maturation

Questions?

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