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.
The finding adds to growing evidence electronic cigarettes may cause serious health problems because of the toxins they contain. In the study scientists tested two popular brands and showed they harmed cells in ways that could spark the development of a tumour even with no nicotine, the addictive ingredient in tobacco.