The two-week symptom rule is an important guideline for early cancer detection, as explained by Dr. Vijay G., a Consultant Hemato-Oncologist at VS Hospitals in Chennai, India. If any symptom lasts longer than 14 days, it is crucial to seek medical attention. While many symptoms are temporary, persistent issues may indicate underlying health problems, including cancer. Dr. Vijay emphasizes that symptoms such as unexplained weight loss, persistent fatigue, and unusual bleeding should not be ignored. Early consultation with a medical professional allows for timely diagnosis and treatment, potentially improving health outcomes. The rule serves as a reminder to be vigilant about one's health without inducing fear; it encourages individuals to monitor their bodies and seek help when necessary. By recognizing and acting on persistent symptoms, individuals can take proactive steps to safeguard their health.