The incidence rate of endocarditis—a rare but often fatal inflammation of the heart valves—among patients with cocaine use disorder or opioid use disorder increased from 2011 to 2022, with the steepest increase occurring from 2021 to 2022, a new study reports.

Two randomized, placebo-controlled trials evaluating three Ebola vaccine administration strategies found that all the regimens were safe in adults and children, according to results published in the New England Journal of Medicine.

NIH-funded researchers are launching a large study to evaluate a single dose of intravenous iron to treat women experiencing anemia after giving birth. The study will enroll nearly 5,000 women in Bangladesh, India, Pakistan, the Democratic Republic of Congo, Kenya, Zambia and Guatemala.

An experimental therapeutic cancer vaccine induced two distinct and desirable immune system responses that led to significant tumor regression in mice, reported investigators from NIAID.

NIH researchers have successfully identified differences in gene activity in the brains of people with attention deficit hyperactivity disorder (ADHD).

Electronic cigarettes have become increasingly popular during the past decade as a potentially safer alternative to smoking cigarettes or other tobacco products. But studies suggest that using e-cigarettes, or vaping, also carries health risks.

Personalized kidney screening for people with type 1 diabetes (T1D) may reduce costs and help detect chronic kidney disease (CKD) earlier, according to a new analysis performed by the Epidemiology of Diabetes Interventions and Complications study group, funded by NIDDK.

Adults with hypertension saw a small but consequential rise in their blood pressure levels during the first eight months of the Covid-19 pandemic, while the number of times they had their blood pressure measured dropped significantly.

A three-dose course of the hepatitis B vaccine HEPLISAV-B fully protected adults living with HIV who had never been vaccinated against or infected with the hepatitis B virus (HBV), according to study findings from an ongoing NIAID-sponsored phase-3 study.

A study of nearly 2,000 children found that those who reported playing video games for three hours per day or more performed better on cognitive skills tests involving impulse control and working memory compared to children who had never played video games.