SUMMARY Be a friend to others, and let others be a friend to you • Keep social groups vibrant and healthy; this actually boosts your cognitive abilities as you age. • Stress-reducing, high-quality relationships, such as a good marriage, are particularly helpful for longevity. • Cultivate relationships with younger generations. They help reduce stress, anxiety, and depression. • Loneliness is the greatest risk factor for depression for the elderly. Excessive loneliness can cause brain damage. • Dance, dance, dance. Benefits include
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