Infection with a common bacteria linked with periodontal disease, oral cancers, and bad breath may cause a small increase in the risk of cardiovascular disease.
A follow-up study of cancer patients after COVID-19 suggests that one in two experienced long COVID, but few required hospital admission and most could be managed as outpatients.
Studying the evolution of eggshells in living and extinct flightless birds such as emus and ostriches may provide insights on the evolution of some egg-laying dinosaurs.
A study finds that childhood body mass index is unlikely to strongly affect children’s depression, anxiety or ADHD symptoms when parents’ genetics are accounted for.