Could you live to be 100?

Staff

About how many centenarians are there worldwide?

While it's difficult to determine exact figures, estimates suggest that about 450,000 centenarians are alive today. That's a small figure compared to the estimated 6.9 billion people on the planet, but it's the highest in recorded history.

How does obesity affect a person's life expectancy?

While the health effects of obesity, such as heart disease and diabetes, are well known, research is starting to show that even mild obesity can shorten a person's life expectancy by anywhere from 3 to 10 years.

How does moderate alcohol intake affect your life expectancy?

Research suggests that drinking alcohol in moderation with meals can help reduce the risk of some diseases. But alcohol quickly becomes a hazard if a person consumes more than two to four drinks per day.

How can working puzzles help you live longer?

Activities like completing jigsaw puzzles stimulate the mind. Research suggests that this kind of mental exercise can help delay the onset of diseases such as Alzheimer's or dementia, which affect older population groups.

What area is home to the most centenarians?

Incomplete records and traditions of age exaggeration in some cultures have made it difficult to identify what area is home to the highest concentration of centenarians.

How can genetics affect longevity?

Some scientific research suggests that certain families carry a genetic makeup that increases their odds of a long life. But genetics alone won't guarantee this long life, researchers say.

What is NOT a common centenarian food?

Many centenarians around the world describe eating diets that are high in fruits, vegetables and nuts, but that avoid much fatty red meat or processed sweets.

How can exercise affect your life expectancy?

Research suggests that light exercise -- even as little as a 30-minute walk every day -- can add 3 years to your life.

What is a blue zone?

A blue zone is a longevity hotspot -- an area of the world where surprising numbers of people live to be 100.

What kind of attitude can help you live longer?

Many centenarians report being open-minded and optimistic, taking life as it comes and always trying to see the glass half full.

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About This Quiz

The number of centenarians -- people who live to be 100 and older -- is growing throughout much of the world. Could you one day be part of this long-lived population? Take this quiz to see how your habits measure up to those of today's active, healthy centenarians.

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