Past-year use of marijuana and hallucinogens by adults ages 35 to 50 continued a long-term upward trajectory to reach all-time highs in 2022, according to the Monitoring the Future (MTF) panel study, an annual survey of substance use behaviors and attitudes of adults 19 to 60 years old.

Severe Covid-19 may cause long-lasting alterations to the innate immune system, the first line of defense against pathogens, according to a small study funded by NIAID. These changes may help explain why the disease can damage so many different organs and why some people with long Covid have high levels of inflammation throughout the body. The findings were published online in the journal Cell.

A device known as a pessary, thought promising for reducing preterm birth risk due to a short cervix, appears no more effective than usual medical care, according to a study funded by NIH.

An NIH-supported study found that statins, a class of cholesterol-lowering medications, may offset the high risk of cardiovascular disease in people living with HIV by more than a third.

Researchers have found that people with obstructive sleep apnea have an increased cardiovascular risk due to reduced blood oxygen levels.

An NEI-funded trial found that low-dose atropine eyedrops (concentration 0.01%) was no better than placebo at slowing myopia (nearsightedness) progression and elongation of the eye among children treated for two years.

A nationwide NIH-funded research team has created the Kidney Tissue Atlas, the most comprehensive atlas of the human kidney to date.

A new NIH study provides evidence that omega-3 fatty acids may be helpful for maintaining lung health.

Tooth decay can cause pain, infection and tooth loss. Bacteria that convert sugar to acid—and that can thrive in an acidic environment—are a major driver of tooth decay. An NIH-funded research team identified oral bacteria species found in the mouths of more than 400 children.

Repeat treatment with corticosteroid injections improved vision in people with persistent or recurrent uveitis-related macular edema better than two other therapies, according to results from an NEI-funded clinical trial.