Vitamins

This research is an expansion of an earlier study showing that a vitamin D deficiency (less than 20 ng/ml) may raise the risk of testing positive for COVID-19

Ljubljana – The Nutrition Institute, a non-profit research centre, has carried out a study which showed that Slovenians significantly lack vitamin D. This is after a Nutrihealth national study showed last year that around 80% of adults in Slovenia do not get enough vitamin D in autumn and winter months.

Lake Tuz, Turkey's second-largest, has turned pink, turning into an impressive sight for tourists, Turkish private TV NTV reported, quoted by BTA.

Here are some foods which are an excellent source of the beneficial substances you need to include in your menu:

Carrots
It is well-known that the carrot is one of the best foods for good eye health.
Its beneficial properties are due to the abundance of beta carotene that is important for proper functioning of the retina and other parts of the eye.