Heart disease continues to be the leading cause of death worldwide. Despite advances in medicine and public health, millions of people lose their lives each year to cardiovascular conditions. For many, the first signs that the heart isn’t functioning optimally may be subtle and easily overlooked. Yet, these early warning indicators can be critical for prompting timely medical intervention and lifestyle modifications that may ultimately prevent catastrophic events like heart attacks or strokes.

In this article, we explore five clinical signs that may signal underlying heart problems, discuss the scientific and clinical evidence linking these signs to cardiovascular disease, and provide practical guidance on prevention and early detection. By understanding these indicators and recognizing them in yourself or a loved one, you can take proactive measures—ranging from lifestyle adjustments to seeking professional medical advice—to safeguard your heart health.