Ideal Weight Program

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Why Are We Fatter Than Our Ancestors? Interview with Dr. Stephan Guyenet

Why do so many of us overeat – even when we know it’s bad for us?

Like many questions in biology, much of the answer to this question lies in evolution. We know that animals have generally evolved to seek and consume convenient, energy-dense foods. All living things require energy to survive and reproduce, and it makes intuitive sense that genes associated with finding and eating lots of easy calories might be favored by natural selection. This instinct is also evident in humans in natural environments. Hunter-gatherers, who live in conditions similar to that of our evolutionary ancestors, gravitate to delicious high-calorie fare, although they don’t find a great deal of it. When they do get something extra tasty and high in energy – like ripe fruit, fresh meat, and honey – they will gorge on it.

Not unlike us. Modern humans are subject to these impulses as well. So what’s different? Our environment has dramatically changed. Rather than getting rare seasonal opportunities to gorge on rich foods, we are now constantly surrounded by such delicacies. We did not evolve with any need to resist these kinds of tasty treats – so perhaps it is unsurprising that we so often fail despite our best intentions.

Guest

In this episode of humanOS Radio, I talk once again with Dr. Stephan Guyenet, this time about his new book, The Hungry Brain, which was just released this week.

In his book, Stephan addresses the fundamental question of why we overeat. It’s not necessarily for a lack of education on nutrition. Rather, it is due to evolutionarily-conserved circuitry in the brain, which drives us to overeat for short-term pleasure – even when we know it’s at the expense of our health and well-being. In the show, he explains how these circuits work to regulate energy intake and body fatness.

Much of this is based on physiology and genetic predispositions – but that doesn’t mean you can’t do anything about it. We also discuss things you can do to manage these primal impulses in a fattening world, and make sure that your daily behaviors are in alignment with your health and weight goals.


Is High Protein Actually Bad During Weight Loss? (Interview with Stephan Guyenet, Ph.D.)

Protein is really important for dieting success, right? Anyone who has interested in the science of dieting knows this, but recent research from Bettina Mittendorfer, Research Associate Professor at Washington University in St. Louis’s School of Medicine, and colleagues published in Cell Reports has raised doubts that protein is indeed a wholly-helpful solution. To shed light on this study and its findings, I invited Dr. Stephan Guyenet to join humanOS Radio for a conversation. Perhaps no other person has done more in the last few years to help the general public, and even health professionals, understand the true meaning of new research dealing with energy regulation and weight control.


Attention Deficit: Biological Condition or Cultural Creation?

What is attention deficit disorder?

In this latest episode of HumanOS Radio (iTunes, Stitcher, YouTube) I speak with Professor Stephen Hinshaw of UC Berkeley. Much of his research has focused on the causes of and treatment for hyperactivity and similar behavioral problems in children and adolescents.

In our chat, we discuss the background of ADHD, how it was historically characterized and diagnosed, and some of the many theories of what causes the condition. Then we will explore some of the most common treatments, as well as some of the unique challenges associated with understanding and resolving mental illness in general.