Grigg’s study showed a tight-fitting FFP2 mask led to less air pollution in the blood, but “we’re not saying that everyone should wear a mask”, says Grigg, adding some clinically vulnerable people including those “recovering from a heart attack or have chronic respiratory disease” might benefit while in areas of high pollution.
.png?width=1200&height=800&crop=1200:800 "Vote in our Independent Women poll: Have you been to a ‘divorce party’? – UK Times")