Penske has won the Indy 500 a record 20 times.

Balazs Szigeti of University of California San Francisco, who has studied microdosing, said it may be a way to harness the placebo effect for personal benefit.“It’s like a self-fulfilling prophecy,” Szigeti said. “People who are interested in microdosing should give microdosing a try, but only if they’re enthusiastic about it, if they have a positive expectation about the benefits of microdosing.”

The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group and the Robert Wood Johnson Foundation. The AP is solely responsible for all content.WASHINGTON (AP) — Most of America “springs forward” Sunday forand losing that hour of sleep can do more than leave you tired and cranky the next day. It also could harm your health.

Darker mornings and more evening light together knock your body clock out of whack — which means daylight saving time can usher in sleep trouble for weeks or longer. Studies have even found an uptick in heart attacks and strokes right after the March time change.There are ways to ease the adjustment, including getting more sunshine to help reset your circadian rhythm for healthful sleep.

Daylight saving time begins Sunday at 2 a.m., an hour of sleep vanishing in most of the U.S. The ritual will reverse on Nov. 2 when clocks “fall back” as daylight saving time ends.

Hawaii and most of Arizona don’t make the spring switch, sticking to standard time year-round along with Puerto Rico, American Samoa, Guam and the U.S. Virgin Islands. Worldwide, dozens of countries also observe daylight saving time, starting and ending at different dates.“For a lot of us, there is a question on whether we’ll return to federal service,” she said. “Many of us would like to, and this was what we wanted for our careers, but it’s demoralizing.”

Bianca Nelson, 31, had been working forin the unit she calls the “front door of HUD.” She never planned to leave. On Feb. 14, she got an email that she was terminated, effective immediately.

Nelson and her partner were planning to buy their first home that month — their “dream apartment.” Now, they’ve had to lean on savings to keep them afloat. She called it “gut-wrenching.”She had to forward the termination email to her boss, who had not been told she or others would be fired. Days later, she picked up her belongings, including a bell given to her at a New York City Housing Authority groundbreaking ceremony — a memento representing her love for her work.