Here's food for thought: The recession may have forced you to eat healthier.

The United States Department of Agriculture says adults -- especially those 65 and older -- engaged in better eating habits from 2009 to 2010 in large part because the recession forced them to dine out less. The USDA notes that older adults reduced their intake of saturated fat and cholesterol while adding more fiber, compared with 2005 to 2006.

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As seniors ate fewer high-calorie, high-fat restaurant meals, they also became better consumers. The USDA says older adults displayed increased interest in buying more nutritious foods when shopping at supermarkets. Even better, older adults were more likely to read the nutrition labels and access nutrition information than they were before the recession.

The takeaway: Even if happier days are here again for you financially, don't change your new nutrition habits that were born out of frugality.