Dr. Thomas Perls is one of the world's top experts on centenarians. Find out the secrets to a long, healthy life.

Today is Tuesday, Sept. 9. Birthdays include actress Angela Cartwright from The Danny Thomas Show who turns 56. Our picture of the day is a centenarian celebration.

Ready or not the age of the centenarian is here. There are about 70,000 centenarians in the U.S. and within 45 years there will be more than 1 million. Find out how you can one day blow out 100 candles.

The world's oldest person died Friday at the age of 115. Active until the end, Gertrude Baines spent her time watching her favorite TV program, ''The Jerry Springer Show" and eating her favorite foods: bacon, fried chicken and ice cream.

Want to learn how to live to 100? Here's a tip: getting online may be as important as hitting the gym.

Would You Want to Live to 100?

Sure, you know genetics and your life habits are important factors in living a long life, but have you considered the importance of your thoughts? Clinical psychologist Dr. Mario Martinez thinks it's a crucial component of healthy aging.

For 22 years, Bob Matteson has lived by the philosophy of getting the most out of life not matter how old you are. For someone who's 92 years old – that's a pretty good concept.

American Edna Scott Parker was born April 20, 1893 and at age 115, is currently recognized as the oldest person in the world following the death of Yone Minagawa of Japan on August 13, 2007.

The world's oldest woman, Edna Parker, died Wednesday in Shelbyville, Indiana. She was 115 years old. Parker, a former Indiana schoolteacher, was one of the 15 longest lived people ever.

How's this for quality family time? The Shepard family, including 94-year-old great-grandmother Harriet, chose to freefall from 15,000 feet.

Maria de Jesus of Portugal passed away Friday at 115, opening the door for Gertrude Baines. She's 114, the daughter of slaves and she even voted in November for Barack Obama.

Dr. Thomas Perls is head of The New England Centenarian Study (NECS), the largest comprehensive study of centenarians in the world. The NECS believes that centenarians are a select group of people who have either markedly delayed or entirely escaped dis

When Virginia Ferrigno's husband died, she wondered if her life was over, too. After all, they were married for close to 61 years. He was her everything. How do you go on? Virginia discovered the way.

For the second time in just a few weeks, the title of The World's Oldest Man has been passed on. Henry Allingham, 113, died in is sleep Saturday morning after holding the title for less than one month.

He's sharp, witty, loves conversation and zips around quite well on his own, thank you! Oh, he also happens to be 112 and the Oldest Man in the World. Here's a great story from the wonderful Steve Hartman and CBS News!

Never underestimate the power of positive thinking. A new study says women who are optimistic live longer, healthier lives than pessimists.

This is a slide show of pictures taken during the final 6 months of Ruth Hamilton's amazing life. Growing Bolder introduced Ruth to the Internet and video blogging in her 109th year. The rest is history.

Want to know what it takes to live to 100? Read an excerpt of a book that explores that very question.

Could doctors someday actually stop the process of getting older? GB Thought Leader and frequent radio show guest Aubrey de Grey says the answer is absolutely, and he has one comedian admitting -- this is no joke!

It's never too late to become a Red Hatter. Just ask Ethel Barnhart who first joined the Red Hat Classics in Augusta, Georgia 7 years ago. What's so unusual about that? Ethel was 93 at the time.

Clara Meadmore

He once credited "cigarettes, whiskey and wild women" for his longevity. We think it's his sense of humor! But Henry Allingham, born June 6, 1896 is now the world's oldest man.

What will you be doing at 109? Ruth1898, the world's oldest blogger, is still sharing her love of the simple joys in life and her golden nuggets of wisdom with GB.

Maria de Jesus-dos Santos is a Portuguese supercentenarian, and, since the November 26, 2008 death of American, Edna Parker, at age 115 years 220 days, is the world's oldest verified living person.

Move over Dr. Phil because there's a fresh, new voice who has advice based on something you may never achieve -- 109 years of life experience. Find out what Ruth1898, the world's oldest blogger, can teach you about love and life.

He's considered by many to be the world's greatest living sculptor, and at age 91, he has no plans of giving up that title any time soon!

Chet Hoff lived longer than any former professional athlete in history. But he was unknown until his 100th birthday in 1991 when a TV appearance and a photo taken in a Yankee uniform gained him worldwide attention.

It's hard to say that a 109-year-old died too soon. But Ruth Hamilton was always up for new adventures. It's why she became the world's oldest blogger. You'll be touched by her story and her legacy.

In this blog Ruth, at 109, wonders how much longer she will live. She talks about the things she would like to be around to see, like who the next President will be.

Born in 1901, he not only survived WWI, but he also survived 3 years as a POW in WWII. Watch him recount his experiences and explain why he's not surprised to be living at 108 years old.

Never let age stop you from anything! Bill Hargrove loved bowling and hit the lanes every week until his death at age 106. He was the oldest bowler in the world.