After 80, strict plant diets can lead to being underweight. At this age, muscle loss and frailty are bigger threats to reaching 100 than long-term chronic diseases. Seniors should focus on "nutrient density." Adding fish, eggs, or dairy provides high-quality protein and B12 needed to prevent malnutrition and bone loss. Adapting your diet as you age helps maintain the strength needed to become a centenarian and stay independent.
