They need to be cared for as much care as your skin or hair, but nails — that are made up of keratin, a kind of protein — do not get the desired attention. But, it must be noted that healthy nails not only make our hands and feet look pretty, but they are also indicators of our overall health. “A diet deficient in protein can lead to weak and brittle nails. Additionally, micronutrients deficiencies, like that of vitamin B- riboflavin,…