The Best Reason to Take Social Security Long Before Age 70
If you're eligible for Social Security benefits in retirement, you get to choose when to sign up. Once you turn 62, you can file a claim at any time. But if you don't wait until full retirement age to take benefits, you'll have to settle for a reduced monthly paycheck for life.
Full retirement age hinges on your year of birth. For anyone born in 1960 or later, it's 67.
Source Fool.com