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Earth Dr Reese Halter's Blog

NATURE'S BLUEPRINT

Tag Archives: Bob Brown Foundation

Imagine taking a deep breath of crisp Sierra Nevada forest-filtered air!

Story ran on Malibu Times blog, August 9, 2013

The human nose is miraculous. It is a complex organ of smell. In fact, one percent of human genes are devoted to olfaction; smell was central to our evolution over the past seven million years.

The main role of smell is to protect humans from decaying foods and poisons. Foods that are indigestible tend to smell woody or musky and are made up of large molecules. Edible foods, on the other hand, have low molecular weights, which can be processed by our digestive enzymes.

The primary role of scent is not about sex.

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