General checkups can identify any early signs of major illness or disease. If you are healthy then also visit your doctor for regular checkups. Discuss with a healthcare professional and examine your lifestyle for a better living. A healthy diet, daily physical activity, and proper sleep can keep your lifestyle up to the mark. However regular checkups assist in keeping you fit for a healthy lifestyle. Early warning signs of disease or illness can be identified through general checkups. Heart disease, diabetes, and some cancers can often be picked up in their early stages, when treatment may be more successful.