Same-sex behavior seen in nearly all animals, review finds ... weather, temperature, or geographic features, but we can think of the social circumstances in a population of animals as a selective force ... said. Same-sex behavior radically changes those social circumstances, for example, by removing some individuals from the pool ...
Your MNT account status. Electronic Cigarettes Can Harm The Lungs, Says Study. Electronic cigarettes, seen by many as a healthy alternative to tobacco smoking, can be harmful to the lungs, scientists from the University of Athens, Greece, explained at the European Respiratory Society's Annual Congress 2012, Vienna, on Sunday 9 June 2012.
As the e-liquid does not contain these carcinogenic additives it was believed the lung disease risk was minimal in comparison. However, research by Roswell Park Cancer Institute in Buffalo, NY, suggests the way particles are broken down in e-cigarettes may irritate lung tissue and cause disease. Particles in tobacco-based cigarettes have a median size of 0.3 to 0.5 microns, but in e-cigarettes they are a lot smaller at 0.18 to 0.27 microns.