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" In September 2013, the panel of 209 lead authors and 600 contributing authors, from 39 nations, poring over 9,200 scientific publications, came to these landmark conclusions: global warming is “unequivocal,” sea levels are rising, ice packs are melting, and if we continue at this pace we “will cause further warming and changes in all components of the climate.” However, they added, we can slow the process down if we begin at once. "
― Diane Ackerman , The Human Age: The World Shaped By Us
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" Ever since the end of World War II, when antibiotics arrived like jingle-clad, ultramodern cleaning products, we’ve been swept up in antigerm warfare. But in a recent article published in Archives of General Psychiatry, the Emory University neuroscientist Charles Raison and his colleagues say there’s mounting evidence that our ultraclean, polished-chrome, Lysoled modern world holds the key to today’s higher rates of depression, especially among young people. Loss of our ancient bond with microorganisms in gut, skin, food, and soil plays an important role, because without them we’re not privy to the good bacteria our immune system once counted on to fend off inflammation. “Since ancient times,” Raison says, “benign microorganisms, sometimes referred to as ‘old friends,’ have taught the immune system how to tolerate other harmless microorganisms, and in the process reduce inflammatory responses that have been linked to most modern illnesses, from cancer to depression.” He raises the question of “whether we should encourage measured reexposure to benign environmental microorganisms "
― Diane Ackerman , The Human Age: The World Shaped By Us
