“A phenomenon known as sympathetic vomiting occurs when the sight of someone throwing up causes others to do so too. Such copycat behavior probably evolved to protect us from food poisoning, a hazard that was both more common and more… — Kathleen McAuliffe Copy Share Image
“Save for the ancient Egyptians, he found, virtually no one kept cats as pets until the latter part of the 1700s. The first people… — Kathleen McAuliffe Copy Share Image
“Vast populations in parasitic hot zones are without hospitals, doctors, drugs, or surgical equipment. Meanwhile, often directed at the very same underserved regions, wealthy… — Kathleen McAuliffe Copy Share Image
“Putting this all together, Moore and Reiber predicted that the germ would prod people to seek out the company of others early in the infection, before it had blown its cover and triggered a counterattack by defense cells. Once they’d formulated a hypothesis, they decided it would be wise to conduct a pilot trial to see if the idea had… — Kathleen McAuliffe Copy Share
“By enlisting the assistance of a team of neuroimmunologists, however, Schaller succeeded in conducting one of the few studies to address the question. As in many of his previous trials, subjects were shown a disease-y slide show, but with one major difference: Immediately before and after the presentation, their blood was drawn and mixed in a test tube with a… — Kathleen McAuliffe Copy Share
“After being shown pictures of people coughing, cartoonish germs sprouting from a sponge, and similar infection-evoking images, women—the sex most vulnerable to STDs—endorsed more conservative sexual values than those who were reminded of other types of threats. And both men and women expressed a stronger intent to use condoms during sex if, as they filled out a survey, they were… — Kathleen McAuliffe Copy Share
“We were seated in a sparkling new building on the UBC campus with austere modern lines and sleek, minimalist décor—about as sterile a setting as one could imagine. “We don’t really worry much about infectious disease. We forget that in most of the world and throughout most of our history, infectious organisms have posed this extraordinary health threat and have… — Kathleen McAuliffe Copy Share
“What would happen if the parasites were removed from this picture? Would there be fewer birds in the sky, more fish in the sea? Lafferty doesn’t know, but the change would almost certainly have a domino-like effect on the food chain. In some fragile ecosystems where animals struggle to get by on scarce resources, manipulative parasites might even tip the… — Kathleen McAuliffe Copy Share
“Xenophobic propaganda can take another sinister form. Its progenitor is that favorite taunt of the playground bully: “You’ve got cooties.” Grown-up bullies are notorious… — Kathleen McAuliffe Copy Share Image
“Good looks, for example, are denoted by symmetrical features—a sign that early life development was not disrupted by infection—and skin that shows no trace… — Kathleen McAuliffe Copy Share Image
“When subjects in one of Pizarro’s studies were shown a sign recommending the use of hand wipes, he reported, they were harsher in their… — Kathleen McAuliffe Copy Share Image
“Consumers even avoid buying items placed near a product with icky connotations. Grocery shoppers, for instance, have been shown to be repelled by foods—including… — Kathleen McAuliffe Copy Share Image
“Nonetheless, studies by Schaller and other researchers indicate that people who chronically worry about disease are especially prone to antipathy toward those whose appearances… — Kathleen McAuliffe Copy Share Image
