Unexplained weight loss or weight gain refers to significant changes in body weight that occur without any intentional efforts, such as dieting or changes in physical activity. These fluctuations can be concerning and are often linked to underlying health issues that may require attention. Various factors can contribute to such changes, including hormonal imbalances, such as those caused by thyroid dysfunction, or metabolic disorders like diabetes. Certain medications may also play a role, as can psychological factors such as chronic stress or depression, which can alter appetite and metabolism. The impact of these weight changes on overall health is considerable. Unintended weight loss can result in malnutrition, leaving the body deprived of essential nutrients, which in turn can cause muscle weakness, reduced energy levels, and a compromised immune system. On the other hand, unintentional weight gain can elevate the risk of developing chronic health conditions, including heart disease, type 2 diabetes, and some forms of cancer. These health risks highlight the importance of identifying and addressing the root causes of unexpected weight fluctuations to ensure overall well-being.