Modern lifestyles are quietly shrinking our brains, impacting memory and cognitive function. From sleep deprivation and excessive caffeine and alcohol consumption to social isolation and noise pollution, these habits take their toll. Overeating junk food and a lack of sunlight further compound the issue, potentially leading to depression and cognitive decline. Modern lifestyles are quietly shrinking our brains, impacting memory and cognitive function. From sleep deprivation and excessive caffeine and alcohol consumption to social isolation and noise pollution, these habits take their toll. Overeating junk food and a lack of sunlight further compound the issue, potentially leading to depression and cognitive decline. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle