Emerging data from Israel suggests that the Pfizer-BioNTech vaccine's protection against severe Covid-19 and hospitalization wanes over time, but that booster shots dramatically reduced both infections and serious illnesses.

Antipsychotic drugs are dangerous for dementia patients, almost doubling their risk of death, but a New York Times investigation found that some understaffed nursing homes may use the drugs to subdue patients—and then skirt disclosure requirements by falsely diagnosing the patients with schizophrenia.

Covid-19 cases in the United States have risen to their highest levels in nearly a year—and the resulting surge in vaccine-preventable hospitalizations has carried a steep cost to the nation's health care system, according to new research from the Kaiser Family Foundation.

Two new studies suggest that daily walking or similar exercise can help you live longer—and the "sweet spot" for exercise is actually lower than the oft-cited 10,000 steps per day, Gretchen Reynolds reports for the New York Times.

The United States will soon require most new immigrants to be vaccinated against Covid-19, according to the U.S. Citizenship and Immigration Services, in today's bite-sized hospital and health industry news from the District of Columbia, Louisiana, and Michigan.