Mayor asked the federal government to send more vaccine doses as soon as possible

Structural and vascular changes detected on noninvasive retinal imaging tied to performance on tests of cognitive function

Maternal benign thyroid conditions strongly associated with increased thyroid cancer risk in offspring

Substantial myopic shift and increased prevalence of myopia seen among children aged 6, 7, 8 years

Incentivizing physicians to improve access to after-hours care reduces some less-urgent visits to emergency department

Risk for death reduced with higher versus lower levels of anti-SARS-CoV-2 IgG, but only in patients not receiving mechanical ventilation

However, Academy of Breastfeeding Medicine calls for lactating women to be included in trials

Majority of parents say peers would understand teens' problems better than adults

Behavioral and pharmacotherapy interventions, alone or in combination, recommended; evidence insufficient for e-cigarettes

Biden administration has said it will not be lifting restrictions on international travel