Nutrient deficiencies can lead to a range of health problems. For instance, a lack of vitamin D can result in weakened bones, while insufficient iron may cause anemia and fatigue. Deficiencies in essential vitamins and minerals can impair immune function, leading to increased susceptibility to infections. In children, nutrient deficiencies can affect growth and cognitive development. Moreover, chronic deficiencies may contribute to the development of chronic diseases, making it crucial to maintain a balanced diet rich in diverse nutrients to support overall health.