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How does anesthesia work?
By Christoph Schwaiger last updated
Different types of anesthesia work in distinct ways — but scientists don't fully understand all their effects.
New mRNA therapy shows promise in treating 'ultrarare' inherited disease
By Emily Cooke published
Initial trial results suggest that a new mRNA therapy may be able to safely and effectively treat propionic acidemia, a rare metabolic disorder.
Does Viagra reduce the risk of Alzheimer's? Here's what we know.
By Emily Cooke last updated
Viagra is best known for triggering erections, but several studies have suggested that the drug may lower the risk of Alzheimer's disease. What do we know so far?
Popular weight-loss drug Wegovy now approved for heart disease. Here's what we know.
By Sara Reardon published
The FDA recently approved semaglutide (Wegovy) for preventing serious heart conditions in some people, but questions remain about how it works.
Workout in a pill: Scientists move one step closer to an exercise-mimicking drug
By Nicoletta Lanese published
Scientists are in the early days of creating a drug that can mimic cellular benefits of exercise for people unable to engage in physical activity.
Designer immune-cell therapy could shrink deadly brain tumors, early trials show
By Emily Cooke published
Two early clinical trials that together included nine patients suggest that a treatment called CAR-T therapy could treat glioblastoma, but its long-term effects are unknown.
CVS, Walgreens to begin filling prescriptions for abortion pill mifepristone
By Nicoletta Lanese published
Consumers will soon be able to fill prescriptions for mifepristone at select CVS and Walgreens locations.
RSV vaccine keeps older adults highly protected for at least 2 seasons
By Nicoletta Lanese published
Pfizer's recently approved RSV vaccine maintains a high and fairly steady rate of effectiveness across consecutive RSV seasons.
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