India, Oct. 23 -- Taking a walk while enjoying your favourite music or podcast can be a great experience, but can it really improve your health? The truth is, even small lifestyle changes, such as walking a little more each day, have the potential to have a big impact on your health. In fact, your daily step count is a vital sign of overall health. Also read | Walking 10,000 steps every day?Fitness expert says avoid these 10 common walking mistakes that limit its benefits

Dr Dmitry Yaranov, a cardiologist from Tennessee, US, who is known as 'Heart transplant Doc' on Instagram, highlighted this in an October 22 Instagram post and said, "We measure pulse, breathing, temperature, and blood pressure - but the most powerful signal of all migh...