About Docs talk a podcast about health and medicine. - PUBLIC PODCAST
Join cohosts Kendall Britt, MD and Amy Rogers, MD for a 15 minute check-up on current issues in medicine and health policy. The doctors examine current medical concerns in light of the best available medical evidence and the policy issues of the day with a focus on their impact on the doctor patient relationship.
Episode 4: Breakthrough in Search for Tinnitus Cure
Breakthrough in search for tinnitus cure
Scientists are excited by results from a trial of a new treatment for tinnitus: after 20 years searching for a cure for tinnitus, researchers at the University of Auckland are excited by 'encouraging results' from a clinical trial of a mobile-phone-based therapy. The study randomised 61 patients to one of two treatments, the prototype of the new 'digital polytherapeutic' or a popular self-help app producing white noise.
24 Aug 2022
Episode 3: Why heat makes us sleepy
On the hottest summer days, you may find yourself dozing off in the middle of the day. In some parts of the world, it's a cultural norm to schedule "siestas" and shutter businesses during the warmest hours of the day. As it turns out, biology, not just culture, may be behind this.
Temperature affects the span of human behavior, from eating and activity levels to sleep-wake cycles. We may have a harder time sleeping in the summer and be slow to get out of bed on colder mornings. But the link between sensory neurons and neurons that control this cycle are not understood completely.
24 Aug 2022
Episode 2: artificial hearts
fabricating an artificial heart
To build a human heart from the ground up, researchers need to replicate the unique structures that make up the heart. This includes recreating helical geometries, which create a twisting motion as the heart beats. It's been long theorized that this twisting motion is critical for pumping blood at high volumes, but proving that has been difficult, in part because creating hearts with different geometries and alignments has been challenging.
Now, bioengineers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed the first biohybrid model of human ventricles with helically aligned beating cardiac cells, and have shown that muscle alignment does, in fact, dramatically increases how much blood the ventricle can pump with each contraction.
This advancement was made possible using a new method of additive textile manufacturing, Focused Rotary Jet Spinning (FRJS), which enabled the high-throughput fabrication of helically aligned fibers with diameters ranging from several micrometers to hundreds of nanometers. Developed at SEAS by Kit Parker's Disease Biophysics Group, FRJS fibers direct cell alignment, allowing for the formation of controlled tissue engineered structures.
The research is published in Science.
24 Aug 2022
Episode 1: What is health?
The word health refers to a state of complete emotional and physical well-being. Healthcare exists to help people maintain this optimal state of health.
According to the Centers for Disease Control and Prevention (CDC), healthcare costs in the United States were $3.5 trillionTrusted Source in 2017.
However, despite this expenditure, people in the U.S. have a lower life expectancy than people in other developed countries. This is due to a variety of factors, including access to healthcare and lifestyle choices.
Good health is central to handling stress and living a longer, more active life. In this article, we explain the meaning of good health, the types of health a person needs to consider, and how to preserve good health.
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