India, Aug. 1 -- Improving your health doesn't always start with a strict diet or an intense workout plan. Sometimes, the biggest changes come from the smallest daily habits repeated consistently. Highlighting this idea, cardiologist Dr. Sanjay Bhojraj shared a practical August challenge, urging people to focus on one simple habit for the next 30 days. (Also read: 'Your heart is begging you to stop these 15 habits': Cardiologist Dr Sanjay Bhojraj shares simple lifestyle changes )

"August 1st makes a pretty good day to decide whether you're going to spend the next month getting older... or getting healthier," wrote Dr Bhojraj in a July 31 Instagram post.

He pointed out that age alone does not determine heart health. "I've seen 60-year-ol...