Citrus fruits: Rich in Vitamin C, citrus fruits like oranges, lemons, and grapefruits help enhance the production of white blood cells, which are key to fighting infections. Berries: Berries such as ...
It's no surprise that the best types of foods you can eat — and eat a lot of — are fruits and vegetables. But "eating a lot" doesn't mean binging on a ... The high concentration of carotenoids in the ...