Delhi cardiologist Dr Alok Chopra explains why your resting heart rate can be one of the most important – and overlooked – signals of heart health, and how tracking it can provide early warning signs. Dr. Chopra explained that resting heart rate (RHR) is one of the most powerful indicators of how efficiently the heart is functioning. (Unsplash) A single number can quietly show how fit—or strained—your heart really is, and it’s not cholesterol or blood pressure. According to Dr. Alok Chopra, your resting heart rate can be one of the simplest and most powerful indicators of heart health. In a recent Instagram video shared on December 22, the senior cardiologist urged people to pay more attention to their resting heart rate – the number of times the heart beats per minute when the body is completely at rest, such as while sitting or lying down. “For most people, a healthy resting heart rate ranges between 60 and 80 beats per minute,” explained Dr. Chopra. However, those who are physically fit or exercise regularly often record much lower numbers, sometimes in the 40s or 50s. This, he said, reflects a stronger and more efficient heart. To put it simply, a well-trained heart pumps more blood with each beat. “A less fit heart may require about 70 beats per minute to circulate the same volume of blood that a fitter heart can manage in about 50 beats,” he noted. Fewer beats for the same output means less stress on the heart over time. Watch the video here: But the opposite can also be revealing. A consistently high resting heart rate, Dr Chopra warned, could indicate that the heart is under stress. Poor sleep, dehydration, chronic stress, excess caffeine intake, or even an undiagnosed medical condition can cause resting heart rate to be higher than normal. The encouraging part, he said, is that resting heart rate is not fixed. Lifestyle changes can make a significant difference. Regular physical activity, meditation or breathing exercises, adequate hydration, balanced nutrition and quality sleep all help to lower and stabilize resting heart rate over time. Dr Chopra also emphasized the importance of tracking the number rather than checking it once. A sudden upward trend in resting heart rate can act as an early warning sign – often indicating problems before more serious symptoms appear. “Your body speaks before big problems arise,” he said, urging viewers to listen closely. “So the real question is – what is your resting heart rate telling you today?” Dr Chopra had earlier shared an ‘AQI survival guide’ for residents struggling with dangerous pollution levels in Delhi. The 2.8-minute video highlighted what health experts have repeatedly warned is no longer a seasonal spike but a long-term public health crisis. Dr Chopra noted how children continue to attend school on dangerous days and how mask use has declined despite dangerous AQI readings.