The deeper we look into neuroscience, endocrinology, and psychology, the more evident it becomes that movement profoundly shapes how we function as human beings. Exercise doesn’t just change how we look. It changes how we think, how we cope, how we feel, and ultimately who we become.

In this article we look at: why insulin is called a fat hormone, how sugar and refined carbs affect your metabolism, why the type of carbohydrate you eat matters, why exercise is the magic pill and how you can harness the power of intermittent fasting and a low-carb diet to change your biology and maintain a healthy weight.

Imagine if your doctor handed you a prescription that could lower your risk of cancer, sharpen your memory, boost your mood, and even improve your sex life, with no side effects. That prescription already exists. It’s called exercise. 

Muscle loss begins around age 35. That's right, on average, adults who don’t do regular strength training can expect to lose 4 - 10% of muscle mass per decade. This doesn’t sound like much but these changes could soon add up in your 40s and 50s.

What I most find impressive about Doris is her commitment and prioritization of her workouts. She never misses her workouts and always shows up with her A game. Doris has shown me that the 90s can be fun, active by prioritizing your physical health and never, ever letting anyone call you old.