India, Nov. 12 -- Meet Joan MacDonald, a 79-year-old women from Ontario, Canada, who's proving age is just a number. The fitness content creator has been sharing her journey on Instagram, and her latest post reveals her secrets to maintaining a healthy weight and lifestyle. Also read | 92-year-old Chinese woman wows with impressive workout routine: 200 push-ups, 100 sit-ups and hula-hoop spins

Joan's tips? Count macros, eat protein with every meal, focus on veggies and fibre, train with purpose, and prioritise cardiovascular health.

She took to Instagram on November 11 to share: "I maintained my weight now for almost 8 years. Losing weight was never the hard part. It was keeping it off. When I learned to count macros, eat protein with e...