Periods of physical inactivity negatively impact brain health by increasing insulin resistance and oxidative stress, leading to cognitive decline. Regular exercise and a balanced diet with brain-boosting foods can preserve brain function and help prevent neurodegenerative diseases such as Alzheimer’s. Periods of physical inactivity negatively impact brain health by increasing insulin resistance and oxidative stress, leading to cognitive decline. Regular exercise and a balanced diet with brain-boosting foods can preserve brain function and help prevent neurodegenerative diseases such as Alzheimer’s. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle