This is a free audio podcast from the American Physiological Society. Discussion questions, related research, and other teaching resources are available by clicking the "collections" tab in the left hand column. 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 – a new field which examines the relationship between air pollution and heart disease. (Begins at 2:58) 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. You can read the full study here. 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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