Health Fusion: Breathe in the smells of nature to improve your sense of well-being

What is it about our sense of smell that can both transport us back to Grandma's cozy kitchen or send us fleeing, noses pinched shut, for fresh air? Aromas can be powerful. New research shows that the smells of nature can improve your sense of well-being. Viv Williams has details in this episode of NewsMD's "Health Fusion."