Have you heard of Paul Zane Pilzer?
He is an economist and an author.
He has authored numerous articles and books including The New Wellness Revolution: How to Make a Fortune in the Next Trillion Dollar Industry. In that book he estimates
that wellness is currently a $500 billion industry. If his projections are correct, wellness will
become a $1 trillion industry in the next several years.
Here are several other articles that discuss the wellness industry in detail.
The Wealth in Wellness: Discovery Why wellness is a $500 billion industry -- By Paul Zane Pilzer