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PODCAST

Life Lines - The Podcast of The American Physiological Society

The American Physiological Society

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

science & medicine natural sciences

All Episodes

01:52

An Astronaut’s Tips for COVID-19 Quarantine

Life Lines - The Podcast of The American... ·

2020/04/03

APS’ Chief Science Officer Dennis Brown, PhD, recently spoke to astronaut and APS member Jessica Meir, PhD, about her work on the International Space Station. As part of the interview, we asked her for lessons that #StationLife can teach us about living in isolation. Listen to her recommendations and read the full interview in the July issue of The Physiologist Magazine.

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12:40

Episode 29: Outtakes

Life Lines - The Podcast of The American... ·

2010/01/08

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 treadmill2. David Linden talks about our imperfect memories3. 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

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13:34

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

Life Lines - The Podcast of The American... ·

2009/12/08

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

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09:15

Episode 27: When the Sense of Smell Fails

Life Lines - The Podcast of The American... ·

2009/11/12

What would it be like to live without being able to detect any odors? For one thing, Thanksgiving would be much less enjoyable, perhaps disturbingly so. In this episode, we talk to Robert I. Henkin of the Taste and Smell Clinic in Washington, D.C., who will tell us why people lose their sense of smell and how his research can help some people restore it. (Begins at: 02:03)The Buzz in Physiology features studies on a simple test that may determine arterial stiffness in adults older than 40, and a

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0:00

Episode 26: Invention and Impact of Ultrasound

Life Lines - The Podcast of The American... ·

2009/10/07

Dean Franklin developed the first instruments to measure blood flow and the changes in diameter of the pulsating heart in conscious animals. He also pioneered the use of radio waves to measure heart and blood vessel function without wiring the body to the instrument. Dusty Sarazan, a former student of Dean Franklin, explains how these inventions led to the non-invasive cardiovascular monitoring instruments we have today. You can find the full article on Dean Franklin here and a press release here

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19:16

Episode 25: EleComm

Life Lines - The Podcast of The American... ·

2009/09/08

You've heard the word telecomm? In this episode, we are going to coin a new word: elecomm, shorthand for elephant communication. Caitlin O'Connell-Rodwell is a Stanford University professor and the author of The Elephant's Secret Sense, published by the University of Chicago Press. Dr. O'Connell-Rodwell discovered that elephant vocalizations travel through the ground, sometimes for great distances. Other elephants pick up these seismic communications and understand them. There are links to videos of

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09:05

Episode 24: Pregnancy and Exercise

Life Lines - The Podcast of The American... ·

2009/08/07

Episode 24: Pregnancy and ExerciseWhen a pregnant woman exercises, is it good for her fetus? That is the question that researchers Linda May of the Kansas City University of Medicine and Biosciences and Kathleen Gustafson of the University of Kansas Medical Center are trying to answer. Their work is ongoing, but it is good news, so far, for pregnant women who like to exercise. (Begins at 01:59)Buzz in Physiology (Begins at 00:47)Estrogen can halt the damage caused by a stroke by inactivating the

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19:06

Episode 23: Cool Water

Life Lines - The Podcast of The American... ·

2009/07/07

Three physiologists tell us why the prescription "drink when you are thirsty" is usually the best guideline for deciding when and how much to drink. We will talk to Heinz Valtin of Dartmouth Medical School (retired); Mark Knepper, the chief of the Laboratory of Kidney & Electrolyte Metabolism of the National Heart Lung and Blood Institute; and Samuel Cheuvront, of the Thermal and Mountain Medicine Division of the U.S. Army Research Institute of Environmental Medicine about water consumption. They

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09:56

Episode 22: Laughter: Good Medicine?

Life Lines - The Podcast of The American... ·

2009/06/03

There is nothing like a good laugh, is there? It not only feels great to laugh, it can feel great to hear other people laugh. Beyond brightening the mood, can laughter provide tangible health benefits?Lee Berk of Loma Linda University in California has done a series of studies on laughter and its possible physiological effects. We will talk to him about his latest study, done over the course of a year with diabetic patients. (Begins at 3:50)In this month’s Buzz in Physiology (begins at 0:51), we

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0:00

Episode 21: Blood Pressure and the Brain

Life Lines - The Podcast of The American... ·

2009/05/07

Did you know that there is a sensor in the nerve endings in the carotid artery that rapidly lowers blood pressure when stimulated? This discovery may one day allow people who are hypertensive to lower their blood pressure by using a pacemaker-like device that stimulates the nerve endings in the blood vessels.In this edition of Life Lines, we talk to Francois Abboud, of the Carver College of Medicine at the University of Iowa whose research identified this sensor. We’ll also talk to him about his

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11:23

Episode 20: Celiac Research Update

Life Lines - The Podcast of The American... ·

2009/04/06

Celiac Update. Celiac disease is an uncontrolled immune response to wheat gluten and similar proteins of rye and barley. In those who have celiac disease, gluten can damage the small intestine, inhibit nutritional uptake and lead to malnutrition. Among the symptoms are diarrhea, stomach pain, fatigue, weight loss and slow growth. One study estimated that 1 in 133 people in the U.S. population have celiac disease. Many people do not know they have it, sometimes because there are no symptoms. Because

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14:31

Episode 19: The Genetics of Exercise

Life Lines - The Podcast of The American... ·

2009/03/04

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

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10:40

Episode 18: Where Love Begins: In the Brain

Life Lines - The Podcast of The American... ·

2009/02/04

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

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22:43

Episode 17: Environmental Cardiology

Life Lines - The Podcast of The American... ·

2009/01/06

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

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20:32

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

Life Lines - The Podcast of The American... ·

2008/12/01

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

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21:21

Episode 15: Can Turkey Make You Sleepy?

Life Lines - The Podcast of The American... ·

2008/10/31

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

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23:14

Episode 14: Halloween Science

Life Lines - The Podcast of The American... ·

2008/10/01

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

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20:52

Episode 13: Is Quercetin a Flu Fighter?

Life Lines - The Podcast of The American... ·

2008/09/01

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

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27:46

Episode 12: The Brain and Fetal Alcohol Syndrome

Life Lines - The Podcast of The American... ·

2008/08/03

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

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24:04

Episode 11: Athletic Performance and Caffeine

Life Lines - The Podcast of The American... ·

2008/07/01

The Buzz in Physiology: (Begins at 1:34) A quick look at studies from APS journals that have been in the news.Athletic Performance and Caffeine: (Begins at 3:05) Taking caffeine and carbohydrates together following exercise refuels the muscles more rapidly, according to a study from the Journal of Applied Physiology done by Australian researcher John Hawley of the Royal Melbourne Institute of Technology in Australia.Drinking It In: (Begins at 12:55) The discovery of how sugar is absorbed into the

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31 results

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