The use of a respiratory filter mask helps minimize the impact of pollution on people with heart failure during rush-hour traffic in big cities, shows a study described in an article in the journal JACC: Heart Failure and highlighted in an editorial, published by the American College of Cardiology.

Given the choice between eating something caloric with an unpleasant taste and more palatable food with no calories, some vertebrates may choose the former, prioritizing energy to assure their survival. This finding comes from a study performed by researchers at Yale University in the United States, in collaboration with colleagues at the University of São Paulo's Biomedical Science Institute and the Federal University of the ABC's Center for Mathematics, Computation & Cognition in Brazil.

Cell publishes on its Jan. 28th edition the results of the largest study ever performed on the molecular profiles of gliomas -- that represent 80 percent of tumors of the central nervous system.