Having regular social contacts with friends and loved ones is key to avoiding depression, which can lead to premature death, something that's prevalent in elderly widowers. Some psychologists even think that one of the biggest benefits elderly folks get from exercise the strong social interactions that come from walking with a buddy or taking a group exercise class. Having a daily connection with a close friend or family member gives older folks the added benefit of having someone watch their back.
Several studies have shown that regular interaction with others can help maintain memory muscles.
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