Scientists have disproved a decades-old orthodoxy: Cerebrospinal fluid does not leave the cranial cavity via blood vessels, but instead through the lymphatic system.
People at-risk for anxiety are less likely to develop the disorder if they have higher activity in a region of the brain responsible for complex mental operations, according to a new study.
People who go to the ER with chest pain often receive unnecessary tests to evaluate whether they are having a heart attack, a practice that provides no clinical benefit and adds to health-care costs, according to a new study.
TORONTO — Ask people in Canada what they make of American health care, and the answer typically falls between bewilderment and outrage.
More than 90 percent of new drugs received funding from the National Institutes of Health. Now, US President Donald Trump’s proposed budget calls for cutting the NIH budget by 21 percent, or about $7.2 billion.