#391: Is There a Body Weight Set Point?: Models of Body Mass Regulation

Sigma Nutrition Radio

Danny Lennon

Sigma, Dietetics, Evidencebased, Nutrition, Training, Health & Fitness, Science, Diet, Fitness, Evidence, Bodybuilding, Health

4.8 • 626 Ratings

🗓️ 15 June 2021

⏱️ 66 minutes

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Summary

In this episode Danny and Alan discuss the three primary models used to explain body mass regulation: 1) Set Point Model, 2) Settling Point Model, 3) Dual Intervention Model. They discuss the role of feedback systems, environment, behaviour, as well as discussing both the "thrifty gene hypothesis" and John Speakman's "drifty gene hypothesis".

Transcript

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0:00.0	Okay, hello and welcome to another episode of Sigma Nutrition Radio. This is episode
0:19.2	391 of the podcast. My name is Danny Lennon,
0:24.9	and here with me is, of course, Alan Flanagan. Alan, how are you today, sir? I'm good. I've
0:31.2	have a dose of Moderna in me. I've pubs open. I've, yeah, things are looking are looking as uh as good as they have for a year
0:40.6	excellent yeah so it i know the the full reopening hasn't happened yet here but for the things
0:48.2	that i do here it feels like everything is fully reopened so yeah and yeah. And how has that affected, like, productivity
0:56.3	with, like, the PhD and other work that you're doing, have you found now that you have more
1:00.6	things to do, you are still getting the same done? Yeah, it's funny. I had this, I was thinking
1:06.7	about this over the course of the last year. The first lockdown, I was hyperproductive.
1:10.9	Second lockdown wasn't as full of lockdown here, and I was still in the lab, so it didn't
1:15.0	feel quite like a full lockdown. Third lockdown, I was a fairly unproductive. And what I attributed
1:22.5	that to was just the lack of change of scenery. So what's interesting is like now that things are are reopening,
1:29.1	I'm obviously doing way more, but I'm finding myself getting more productive because the ability
1:35.7	to now just like toss the laptop in the bag and go somewhere is back on the table. And I've
1:41.9	actually found that really invigorating, you know, even if it's
1:45.7	sitting outside with a pint tapping away, you know, I'm down for that. Yeah. I mean, if you know
1:52.4	you're going to go meet a friend for a drink at five o'clock, that gives a nice push to get something
1:58.4	done, whereas when every day you're stuck inside on your own,
2:02.0	there's not the same incentive to finish at a particular time, perhaps, you know?
2:06.5	And you start, yeah, you start becoming, well, there's a term for it in psychology, isn't there,
2:10.6	in terms of like, work expanding to the time allocated to it?
2:15.7	I can't remember what the term is. Is it the Parkinson effect?
	...

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