内容摘要：Esta historia fue traducida del inglés por un editor de AP con la ayuda de una herramienta de inteligencia artificial generativa.

Esta historia fue traducida del inglés por un editor de AP con la ayuda de una herramienta de inteligencia artificial generativa.

involving people who microdose, participants didn’t know until afterward whether they had spent four weeks taking their usual microdose or placebos. Psychological measures improved after four weeks for everyone in the study, regardless of whether they were taking microdoses or empty capsules.“It appears that I was indeed taking placebos throughout the trial. I’m quite astonished,” wrote one of the study participants. “It seems I was able to generate a powerful ‘altered consciousness’ experience based only (on) the expectation around the possibility of a microdose.”

Scientists haven’t found lasting effects on creativity or cognition, according to a review of a handful of small placebo-controlled trials of microdosing LSD.Matt Metzger, a Marine Corps combat veteran, displays Psilocybe cubensis mushrooms Wednesday, March 26, 2025, in Olympia, Wash. (AP Photo/Lindsey Wasson)Matt Metzger, a Marine Corps combat veteran, displays Psilocybe cubensis mushrooms Wednesday, March 26, 2025, in Olympia, Wash. (AP Photo/Lindsey Wasson)

One small study did find glimmers of an effect of small LSD doses on vigor and elation in people with mild depression when compared with a placebo.“It may only work in some people and not in other people, so it makes it hard for us to measure it under laboratory conditions,” said University of Chicago neuroscience researcher Harriet de Wit, who led the research.

The potential has spurred an

to conduct early trials of microdoses of LSD for severe depression and in cancer patients experiencing despair.Visa interviews for international students admitted to schools nationwide

, and Trump said Wednesday that Harvard should reduce its international enrollment from 25% to about 15%.Sustained by a $53 billion endowment, the nation’s wealthiest university is testing whether it can be a bulwark against

what his administration calls antisemitic activism on campus, which Harvard sees as an affront toCiting campus protests against Israel as proof of “antisemitic violence and harassment,” the Trump administration has demanded that Harvard make broad leadership changes, revise its admissions policies, and audit its faculty and student body to ensure the campus is home to many viewpoints.