A recent study of 50,000 female nurses published in JAMA Psychiatry found that those with high gratitude scores had a 9% lower risk of all-cause mortality. 

A recent study in Alzheimer's Research and Therapy found that intensive lifestyle interventions, including a plant-based diet, exercise, stress management, and support groups, significantly improved cognitive function and gut health in people with early-stage Alzheimer's over 20 weeks.

A study in BMJ Evidence-Based Medicine tracking 353,742 participants over 13 years found that healthy lifestyle choices significantly mitigate the negative effects of genetic predisposition, with poor habits increasing premature death risk by 78% regardless of genetics.