There is no single healthiest oil for cooking. A lot of factors go into determining which oil should be used for cooking. This also depends on what they are used for, so we should use the right oil for the right purpose like deep frying, sauteing, salad dressing
Zinc deficiency can cause a broad range of physiological signs which may include, epidermal, gastrointestinal, immune, skeletal, and reproductive systems. It may also affect the central nervous system. The discovery of zinc deficiency as a human health problem was in 1961. Anemia, hypogonadism, and dwarfism were reported in an Iranian farmer.