Jan 6, 2009
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
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
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.