The research, presented at the European Society of Cardiology Congress 2021, found that teen drinking and smoking has a direct impact on vascular health - with arteries becoming stiffer in those with "heavier usage".
The US Food and Drug Administration (FDA) have approved a third Pfizer dose for people who are immunocompromised - despite the WHO asking countries to wait until 20% were double-vaccinated, globally.
Sir Andrew Pollard, head of the Oxford Vaccine Group, said on Tuesday (10 August) that herd immunity is "mythical" in relation to the Delta variant - as it still infects vaccinated individuals.
A new study in Argentina is investigating the cognitive impacts on virus survivors - scientists found that 60% of participants have difficulty thinking after COVID.
A new study found that people who experience intense boredom and turn to smartphone gaming may be creating "maladaptive" coping mechanisms, which worsen their real-world problems.
According to the US and Swiss study, 94% of cancer patients took the COVID vaccine in full and produced antibodies - while seven high-risk patients failed to produce an immune response.
