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.
Each cigarette can damage DNA in many lung cells, but it is the build up of damage in the same cell that can lead to cancer. However research has shown that for every 15 cigarettes smoked there is a DNA change which could cause a cell to become cancerous.