In the Vedic age, air quality was high with few environmental pollutants, so respiratory issues were not as common place as they are today. In the modern world, the general populace is exposed to various environmental irritants on a daily basis, and thus breathing issues abound. Unfortunately, pollution impacts all of the organs, especially the lungs and respiratory tract.
A popular buzzword in recent times, wellness is a subtle, poorly defined, all-encompassing term for everything from mental health to physical health and fitness to nutrition. Yes, it is all those things, but more importantly, it is a lack of stress. Therefore, an individual can only attain a state of wellness if she is free of stressors in all those areas.