From Treehugger:

“When the WELL building standard was introduced I thought it was silly, especially when it launched with a $ 50 million penthouse offering vitamin infused showers. I wrote:

The rich are different than you and me; they can afford healthy buildings. The rest of us have to eat the CO2 and mercury produced making the electricity needed to run 10,000 square foot apartments with built-in juicing stations, 78 bottle wine coolers, giant saunas and circadian lighting systems.

Then the WELL Building Standard for commercial buildings was introduced and it actually looked quite interesting. It has become quite respectable, with former USGBC head Rick Fedrizzi now running it. My students at the Ryerson University School of Interior Design studied it in depth last year and concluded:

By being so holistic in its approach to the built environment, this standard goes beyond the idea of simply being environmentally sustainable. WELL standard takes into consideration the biological impacts the interior environment and buildings have on humans. The WELL standard promotes the consistent action of improving bodily health, acting almost like a health physician in the form of a building.

Read more here.