Life Lines - The Podcast of 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.
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When the Sense of Smell Fails
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 sme …
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Episode 26: Invention and Impact of Ultrasound
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 …
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Episode 25: EleComm
You've heard the word telecomm? In this episode, we are going to coin a new word: elecomm, shorthand for elephant communication. Caitlin OâConnell-Rodwell is a Stanford University professor and the author of The Elephant's Secret Sense, published by the University of Chicago Press. Dr. OâConnell-Rod …
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Episode 24: Pregnancy and Exercise
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 wor …
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Episode 23: Cool Water
Three physiologists tell us why the prescription âdrink when you are thirstyâ 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 …
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Episode 22: Laughter: Good Medicine?
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 po …
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Episode 21: Blood Pressure and the Brain
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 bloo …
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Episode 20: Celiac Research Update
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, fatigu …
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Episode 19: The Genetics of Exercise
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.Sc …
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Episode 18: Where Love Begins: In the Brain
IF YOU GIVE CHOCOLATES TO YOUR BELOVED ON VALENTINEâS DAY, CHANCES ARE THEY WILL BE IN A HEART-SHAPED BOX. WE USUALLY ASSOCIATE LOVE AS BEING SEATED IN THE HEART. BUT AS RECENT STUDIES BY NEUROSCIENTISTS SHOW, LOVE IS ACTUALLY VERY MUCH IN OUR HEADS. LUCY BROWN, A NEUROSCIENTIST AT THE ALBERT EINSTE …
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Episode 17: Environmental Cardiology
Accumulating evidence indicates that an increase in particulate air pollution is associated with an increase in heart attacks and deaths. In this episode, weâll talk to Aruni Bhatnagar of the University of Louisville and Robert Brook of the University of Michigan about research in the relatively new …
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Episode 16: Circadian Rhythm & Jet Lag; Exercise and Appetite
Interviews with Clifford Saper on circadian rhythm and jet lag (begins at 3:14) and David J. Stensel on exercise and appetite (begins at 11:54). Click here for the full study by David Stensel.The Buzz in Physiology (Begins at 1:25) Total Time: 20:27Links for Buzz in Physiology:National Cheng Kung U …
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Episode 15: Can Turkey Make You Sleepy?
Why do we feel sleepy after a big Thanksgiving meal? Is there something in the turkey? Are cranberries good for our kidneys? These are two 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 …
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Episode 14: Halloween Science
Episode 14: Halloween Science (23:06). Interviews with J. Allan Cheyne of the University of Waterloo on Sleep Paralysis (3:46), Alexandra Shapiro and Phillip Scarpace of the University of Florida on Leptin Resistance and Obesity (11:40), Lawrence I. Gilbert on Halloween Genes (2:25) and Bret H. Good …
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Episode 13: Is Quercetin a Flu Fighter?
J. Mark Davis (Starts at 3:55) of the University of South Carolina on stressful exercise, the flu and quercetin.Rick Lieber (Starts at 12:56) of the University of California San Diego and The VA Medical Center San Diego talks on elite athletes and muscles.Physiology in the News gives a quick look on …
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Episode 12: The Brain and Fetal Alcohol Syndrome
The Buzz in Physiology: (2:01) A quick look at studies from APS journals that have been in the news.The Accidental Mind: (4:17) How is your brain like an ice cream cone? David Linden, author of âThe Accidental Mindâ explains. Dr. Linden is the editor of the Journal of Neurophysiology and is a resear …
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Episode 7 Nanoparticles and Disease
This is a re-issue of Episode 7!Nanoparticles, which are 1,000 times smaller than a bacterium, are being manufactured and incorporated into some commercial products such as cosmetics and clothing. While nanotechnology holds promise, there is little understanding of how these super small particles mi …
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Episode 11: Athletic Performance and Caffeine
The Buzz in Physiology: (1:34) A quick look at studies from APS journals that have been in the news.Athletic Performance and Caffeine: (3:05) Taking caffeine and carbohydrates together following exercise refuels the muscles more rapidly, according to a study from the Journal of Applied Physiology do …
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Episode 10: Hydrogen Sulfide - What a Gas
Segment 1: What a Gas. University of Alabama â Birmingham researchers Jeannette Doeller and David Kraus talk about the amazing properties of hydrogen sulfide gas. Although itâs lethal in even minute quantities, our bodies produce it and use it to good effect. Begins at 1:15.Segment 2: Research …
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Episode 9: Physiology of Marine Animals
Two segments, total time: 25:48. The second segment 14:40.Segment 1: Warm body, cold heart: Barbara Block of Stanford University talks about her research with the bluefin tuna, one of the few fish species to have a warm body. You can see how marine animals are being tracked by going to www.topp.org. …
Life Lines - The Podcast of The America..
