Hotel housekeepers spend the majority of their days working out—from lugging heavy equipment to pushing a mop. But a study found that most don’t consider themselves physically active. Once the housekeepers were educated on their exercise levels, they saw a marked decrease in their systolic blood pressure, weight and waist-to-hip ratio—and a 10 percent drop in blood pressure. Guess the old mind-over-matter adage is true!

QUIZ: How Much Exercise Are You Getting?