644 to destroy invading viruses or bacteria

National Inst.i.tute of Arthritis and Musculoskeletal and Skin Diseases, September 2010, Understanding Autoimmune Diseases.

645 do not discriminate between harmful bacteria and beneficial bacteria

Zimmer, "Tending the Body's Microbial Garden."

646 Julie Segre, a senior investigator

Ibid.

647 human stomach that are involved in energy balance and appet.i.te

Blaser, "Antibiotic Overuse."

648 H. pylori has lived inside us in large numbers for 58,000 years

Kate Murphy, "In Some Cases, Even Bad Bacteria May Be Good," New York Times, October 31, 2011.

649 single most common microbe in the stomachs of most human beings

Martin Blaser, "Antibiotic Overuse."

650 "may also eradicate H. pylori in 2050% of cases"

Ibid.

651 has been found to play a role in both gastritis

Murphy, "In Some Cases, Even Bad Bacteria May Be Good."

652 "more likely to develop asthma, hay fever or skin allergies in childhood"

Blaser, "Antibiotic Overuse."

653 Its absence is also a.s.sociated with increased acid reflux

Ibid.

654 H. pylori into the guts of mice serves to protect them against asthma

Murphy, "In Some Cases, Even Bad Bacteria May Be Good."

655 approximately 160 percent throughout the world in the last two decades

Randerson, "Antibiotics Linked to Huge Rise in Allergies."

656 ghrelin, is one of the keys to appet.i.te

Murphy, "In Some Cases, Even Bad Bacteria May Be Good."

657 caused by harmful microbes normally kept in check by beneficial microbes

Zimmer, "Tending the Body's Microbial Garden."

658 when the balance of their internal microbiome was restored

Ibid.

CHAPTER 6: THE EDGE.

1 into the extraordinarily thin sh.e.l.l of atmosphere

Glen Peters et al., "Rapid Growth in CO2 Emissions After the 20082009 Global Financial Crisis," Nature Climate Change 2 (2012): 24.