Signs of a disorder were found to be more common among young people who worry about the coronavirus.
Treatments are most effective during the early stages of the disease, however, a lack of a test means many cases are missed.
Kate Hudson, January Jones and Zoe Saldana have also stripped off for a good cause.
Previous research has suggested Britons may have fallen into bad habits while spending more time at home.
Studies are not set up to show a vaccine candidate reduces the risk of hospitalisation, intensive care admission or death.
The 62-year-old actor shared the image to Instagram to highlight the importance of attending breast cancer screening.
The authors have blamed 'a society that is riddled with structural inequalities'.
The research may provide 'reassurance' for people struggling to book dental appointments during the pandemic.
The new mum offered an intimate glimpse into the period immediately after she gave birth.
The poignant image has been named one of the defining images of lockdown, by a panel, including the Duchess of Cambridge.