If you’re noticing that your skin is on the drier side, and you feel your eyes are dry and unable to produce tears, then beware of a vitamin A deficiency. “Difficulty seeing in dim light (also known as night blindness) is another issue,” says Dr. Peterson Pierre, MD, a cosmetic dermatologist based in California. He suggests adding meats, dairy, eggs, as well as red, yellow, orange, and green plant foods to your diet.

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