To qualify, borrowers must have worked in a qualifying field for at least ten years and made payments on their federal student loans for at least the same amount of time. (studentloans.net)
The key is to continue to pay at least the same amount each month, not less as each debt is paid off. (creditsesame.com)
Only the group that started out eating nuts, and continued to eat at least the same amount of nuts, had the significant survival advantage. (nutritionfacts.org)