Life Lines - The Podcast of The American Physiological Society – Details, episodes & analysis

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Life Lines - The Podcast of The American Physiological Society

The American Physiological Society

Education

Frequency: 1 episode/28d. Total Eps: 30

Life Lines is a general interest monthly science podcast of The American Physiological Society. Visit us online at www.lifelines.tv.

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🇫🇷 France - naturalSciences
04/09/2026
#45
🇫🇷 France - naturalSciences
03/09/2026
#40
🇫🇷 France - naturalSciences
02/09/2026
#34
🇫🇷 France - naturalSciences
01/09/2026
#27
🇫🇷 France - naturalSciences
31/08/2026
#21
🇫🇷 France - naturalSciences
30/08/2026
#20

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Score global : 38%

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Episode 29: Outtakes

Friday, January 8, 2010 • Duration 12:40

From the cutting room floor, here are some of the outtakes about physiology that we thought were just too interesting not to use:
1.   Dusty Sarazan describes one way that physiological research helped advance cardiac surgery, and also how research led to the development of the modern treadmill
2.   David Linden talks about our imperfect memories
3.   David Kraus tells us why we are so sensitive to the odor of hydrogen sulfide gas (what is hydrogen sulfide gas? where does it come from and what does it do?).

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Episode 28: 'Tis the Season That's Hard on Your Heart

Tuesday, December 8, 2009 • Duration 13:34

Heart attacks peak during the winter months and cold weather has been thought to be the primary culprit. But cardiologist Robert Kloner of the Keck School of Medicine and Good Samaritan Hospital found that heart attack deaths peak on Christmas and New Year's in the mild climate of Los Angeles County. Could it be that the weather is not the most important factor behind the seasonal increase in heart attacks?

The show's second segment, the Buzz in Physiology, features research on how a probiotic treatment alleviated colitis in mice and how five exercises helped women office workers suffering from repetitive strain injury. (Begins at 10:55)

From the American Heart Association, Heart Attack/Stroke Warning Signs. Click here.

Total Time: 13:28

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Episode 19: The Genetics of Exercise

Wednesday, March 4, 2009 • Duration 14:31

Have you ever had an experience like this: You and a friend start jogging together. Neither of you have been exercising much, but after a few days, your friend is easily striding along as you wheeze, gasp and hold onto your aching side. Do not feel bad about your performance; it may be your genes.

Scientists have identified about 200 genes that play a role in our body's ability to become fitter, referred to as "adaptation to exercise." In this episode, we talk to Mark Olfert of the University of California at San Diego and Claude Bouchard of the Pennington Biomedical Research Center. They have organized a symposium on the genetics of adaptation to exercise, to take place at the Experimental Biology conference in New Orleans in April. They will give us a flavor for the research in this field by telling us a bit about their own work. (Begins at 3:51)

In the Buzz in Physiology (Begins at 1:21) University of Illinois researchers are developing a program to train people to avoid falls. This research could be particularly valuable for the elderly, for whom falling can be an especially dangerous proposition. And a study from the University College London Medical School sheds light on why patients with cirrhosis may have a more regular heart rhythm than is normal, and why they develop hepatic encephalopathy, a neurological disorder. The body's inflammatory response may be the common thread behind the development of these conditions.

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Episode 18: Where Love Begins: In the Brain

Wednesday, February 4, 2009 • Duration 10:40

Lucy Brown, a neuroscientist at the Albert Einstein School of Medicine, has studied romantic love using functional magnetic resonance imaging. Dr. Brown will talk about her studies on what happens in our brains at different stages of love: falling in love, being rejected by a lover, and longterm love.

Obstructive sleep apnea is the most commonly diagnosed condition among sleep-related breathing disorders and can lead to debilitating and sometimes fatal consequences for the 18 million Americans who have been diagnosed with the disorder.

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Episode 17: Environmental Cardiology

Tuesday, January 6, 2009 • Duration 22:43

Accumulating evidence indicates that an increase in particulate air pollution is associated with an increase in heart attacks and deaths. In this episode, we'll talk to Aruni Bhatnagar of the University of Louisville and Robert Brook of the University of Michigan about research in the relatively new field of environmental cardiology. This field examines the relationship between air pollution and heart disease. (Begins at 2:58)

Research update: Dr. Brook published his study in the September, 2009 issue of the journal Hypertension, a publication of the American Heart Association.

Why was the man known in scientific literature only as "H.M." so important to neuroscience? David Linden of Johns Hopkins University explains why in the wake of H.M.'s recent death. (Begins at 14:54)

The Buzz in Physiology: (Begins at 1:14)

A new study with rats could help uncover how we get hooked on sugary food.

The heart's beat is not a simple in-and-out movement, but has a bit of a twist to it. Researchers have created images showing the connection between the configuration of the heart's muscular layer and how the heart contracts. The study is available here. Be sure to click on the supplemental video to see how it works.

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Episode 16: Circadian Rhythm & Jet Lag; Exercise and Appetite

Monday, December 1, 2008 • Duration 20:32

We’ll start this episode by talking about clocks, but not the type of clock that ticks away on your wall. Instead, we’ll talk about the biological clocks that tick inside us. Clifford Saper of the Beth Israel Deaconness Medical Center in Boston will explain some of the research on circadian rhythm and will share his theory about the best way to deal with the disruption of the biological clock caused by jet travel. If you’re traveling this holiday season, or anytime in the near future, give a listen. (Begins at 3:14)

Do you have a tendency to overeat during the holidays? A new study finds that exercise affects the release of two hormones that help regulate appetite, ghrelin and peptide YY. This may help explain why exercise is often, even if only briefly, associated with suppression of appetite. David Stensel of Loughborough University in the United Kingdom will talk about his study, which appears in the American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. (Begins at 11:54)

Total Time: 20:27

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Episode 15: Can Turkey Make You Sleepy?

Friday, October 31, 2008 • Duration 21:21

Why do we feel sleepy after a big Thanksgiving meal? Is there something in the turkey? Are cranberries good for our kidneys? These are some of the questions our experts will explore. Chris I. Cheeseman of the University of Alberta will talk about tryptophan in turkey. (Begins at 3:17.) L. Lee Hamm of Tulane University School of Medicine will discuss what the research shows about cranberries and kidney health. (Begins at 8:58)

Kevin Heffernan (13:26) will talk about his study, aimed at trying to uncover why African-American men have a higher rate of hypertension than white men. The research team from the University of Illinois, Urbana Champaign, found some early signs of vascular damage in young, healthy African-American men and found that measuring central blood pressure may be a better way of identifying those at risk.

Physiology in the News: (1:25)

Reservatrol
Beta agonist drugs
Mussels

Total time: 21:13

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Episode 14: Halloween Science

Wednesday, October 1, 2008 • Duration 23:14

Halloween is the theme for October, so we'll talk about sleep paralysis, a condition that has been associated with stories of demon attacks during the night. We'll talk to Allan Cheyne of the University of Waterloo in Waterloo, Canada about this spooky phenomenon. (Begins at 3:46)

We'll also talk to Alexandra Shapiro and Phillip Scarpace of the University of Florida in Gainesville about their study on fructose-induced leptin resistance and obesity. This study is a bit scary if you have a sweet tooth. The study appears in the American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. (Begins at 11:40)

Buzz in Physiology: What is a 'Halloween" gene and how did it get its name? Lawrence I. Gilbert explains. And Bret H. Goodpaster will discuss his study that found that older people who diet without exercising lose more lean muscle mass than those who exercise without dieting. The study is important because older people tend to lose muscle mass as they age, and too much muscle loss may interfere with activities of daily living. (Begins at 1:46)

Total time: (23:06)

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Episode 13: Is Quercetin a Flu Fighter?

Monday, September 1, 2008 • Duration 20:52

Mice are less susceptible to the flu when they eat quercetin, a substance that occurs in fruits and vegetables. Researcher J. Mark Davis will talk about his study on stressful exercise, quercetin and the flu. Click here for the study. (Begins at 3:55)

In the wake of the summer Olympics, we asked Rick Lieber, of the University of California San Diego and the VA Medical Center San Diego, if the muscles of highly trained athletes could get much stronger and whether gene therapy, which is being developed for medical applications, could be used by to enhance performance in the future. (Begins at 12:56)

The Buzz in Physiology gives a quick look at a study that finds a possible link between your genes and activity level. And we detail a study on the benefits of hydrogen sulfide gas. We also talk to APS member Jim Hicks of the University of California Irvine about his involvement with the film, Wall-E. (Begins at 1:20)

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Episode 12: The Brain and Fetal Alcohol Syndrome

Sunday, August 3, 2008 • Duration 27:46

The Buzz in Physiology: (Starts at 2:01) A quick look at studies from APS journals that have been in the news.

The Accidental Mind: (Starts at 4:17) How is your brain like an ice cream cone? David Linden, author of "The Accidental Mind" explains. Dr. Linden is the editor of the Journal of Neurophysiology and is a researcher and teacher at Johns Hopkins University.

Fetal Alcohol Syndrome: (Starts at 17:04) Research in sheep shows promise for understanding how maternal drinking causes cerebellar damage to the developing fetus. Timothy Cudd and Jay Ramadoss explain their study, which appears in the American Journal of Physiology. Dr. Cudd is at Texas A&M University, while Dr. Ramadoss is at the University of Wisconsin. Click here for the study. The link brings you to the abstract. Click on "Full Text (PDF)" in the right column for the full study.

Related Press Releases:

EPO
Young at Heart
FinnTwin

The music that you hear at the beginning and end of the program is Body Notes, composed by scientist-musician (and APS member) Hector Rasgado-Flores. The San Diego Chamber Orchestra performs.

Running Time: 27:40

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Life Lines - The Podcast of The American Physiological Society – Details, episodes & analysis

Podcast details

Recent rankings

Apple Podcasts

Spotify

Shared links between episodes and podcasts

RSS feed quality and score

Publication history

Latest published episodes

Related Shows Based on Content Similarities

Related Shows Based on Content Similarities

Apple Podcasts

Spotify

Life Lines - The Podcast of The American Physiological Society – Details, episodes & analysis

Podcast details

Recent rankings

Apple Podcasts

Spotify

Shared links between episodes and podcasts

Other42

RSS feed quality and score

Publication history

Latest published episodes

Similar podcasts and content

Related Shows Based on Content Similarities

Related Shows Based on Content Similarities

Other42

Apple Podcasts

Spotify