A recent study found people with the highest quality diets were around 10 percent less likely to develop COVID-19 than those with the lowest quality diets, and 40 percent less likely to fall severely ill.

Prolonged exposure to air pollution can be linked to an increased risk of stroke and coronary heart disease, even when levels are below the limits specified by the European Union and World Health Organization.

A study in Japan has found older people with type 2 diabetes and loss of muscle mass have significantly lower vitamin B1, B12 and D intake, compared to subjects without muscle mass loss.

Israel says its Covid vaccine pass, which grants access to venues like restaurants and bars, now expires six months after the second dose of vaccine. Getting a booster shot five months after the second dose extends the pass by another six months.