An unbalanced diet can lead to a variety of health issues, both in the short and long term. Short-term consequences may include fatigue, poor concentration, and increased susceptibility to infections due to a weakened immune system. Over time, an unbalanced diet can contribute to chronic conditions such as obesity, heart disease, diabetes, and osteoporosis. For example, excessive consumption of processed foods high in sugars and unhealthy fats can lead to weight gain and metabolic disorders. Conversely, a diet lacking in essential nutrients can result in deficiencies that affect overall health, such as iron deficiency anemia or vitamin D deficiency. Therefore, maintaining a balanced diet is essential for preventing these adverse health outcomes.