New Delhi, Feb 9 (ANI): A new study has revealed that smokers feel more tired, are less physically active, lack motivation and are more likely to suffer symptoms of anxiety and depression, when compared to their non-smoker counterparts. The research, led by Dr. Karina Furlanetto, from Universidade Estadual de Londrina, Brazil, is the first study to show that smokers are less physically active than non-smokers.