The COVID-19 pandemic took a toll on Americans’ guts, researchers report. Gut disorders like irritable bowel syndrome (IBS) increased significantly during the COVID-19 pandemic, a new study says. Rates of IBS nearly doubled among U.S. adults, rising from around 6% in May 2020 to about 11% in May 2022, results show. Other gut health problems…  read on >  read on >

Exposure to wildfire smoke might make some people more likely to fall ill by altering their immune systems, a new study says. Fire smoke appears to affect the immune system on a cellular level, researchers report in the journal Nature Medicine. People exposed to smoke showed an increase in memory immune cells that provide long-term…  read on >  read on >

Nestle has joined a growing list of major food companies pledging to voluntarily eliminate artificial colors from their U.S. products by the middle of next year amid mounting health concerns. “We are always looking for different ways to offer great tasting, compelling choices for our consumers,” Nestle’s U.S. CEO Marty Thompson said in a statement.…  read on >  read on >

Your address might influence your risk for dementia, a new study says. People living in poor neighborhoods appear to be more likely to have biological risk factors for inflammation and Alzheimer’s disease, researchers reported June 25 in the journal Neurology. “These results suggest that neighborhood disadvantage increases the risk of inflammation, which may play an…  read on >  read on >

Regular exercise can ease mood disorders in children and teens, offering an alternative to medications like antidepressants, a new evidence review has concluded. Both anxiety and depression decrease when kids take part in structured exercise programs, researchers reported June 26 in Journal of the American Academy of Child & Adolescent Psychiatry. Further, the review found…  read on >  read on >

A U.S. vaccine advisory panel voted Thursday to stop recommending flu shots that contain thimerosal, a move that experts say may reduce access to vaccines without making them any safer. The vote came from a newly appointed group of people that now make up the Advisory Committee on Immunization Practices (ACIP), led by U.S. Health…  read on >  read on >

Fasting is a well-known hassle associated with surgery. Patients are required to go without food or liquid for hours because of fears they’ll vomit while under anesthesia, potentially causing pneumonia if stomach contents are inhaled. But this long-standing practice might not be necessary, a new evidence review says. There’s no medical evidence to suggest that…  read on >  read on >