Study: 5 Servings a Day of Fruits and Vegetables Increase Longevity

Study: 5 Servings a Day of Fruits and Vegetables Increase Longevity

Five servings. That is all the fruits and vegetables you need to eat every day to live longer, new research suggests.

Scientists analyzed data from more than 2 million people in the United States and dozens of other countries and found that eating about five servings of fruits and vegetables a day was associated with the lowest risk of early death, and that the optimal balance was two servings of fruit and three servings of vegetables a day.

Compared to people who had two servings of fruits and vegetables a day, those who had five servings a day had a: 13% lower risk of death from all causes; a 12% lower risk of death from heart disease and stroke; a 10% lower risk of death from cancer, and a 35% lower risk of death from respiratory disease, such as chronic obstructive pulmonary disease.

Eating more than five servings of fruits and vegetables a day didn’t provide additional benefits, according to the study published March 1 in the journal Circulation.

But meeting that five-a-day goal may be harder than you think, since only about 1 in 10 adults eat enough fruits or vegetables, according to the U.S. Centers for Disease Control and Prevention.

“While groups like the American Heart Association recommend four to five servings each of fruits and vegetables daily, consumers likely get inconsistent messages about what defines optimal daily intake of fruits and vegetables such as the recommended amount, and which foods to include and avoid,” study author Dr. Dong Wang said in a journal news release. He’s an epidemiologist and nutritionist at Harvard Medical School and Brigham and Women’s Hospital in Boston.

The researchers also found that not all fruits and vegetables were protective. Green leafy vegetables (such as spinach, lettuce, and kale) and fruits and vegetables rich in beta carotene and vitamin C (such as citrus fruits, berries, and carrots) were beneficial, but starchy vegetables such as peas and corn, fruit juices, and potatoes were not associated with lower risk of death from all causes or certain chronic diseases.

The investigators determined that “not all fruits and vegetables offer the same degree of benefit, even though current dietary recommendations generally treat all types of fruits and vegetables, including starchy vegetables, fruit juices, and potatoes, the same,” Wang said.

Overall, the findings support the evidence-based public health messages that people should have five servings of fruits and vegetables a day, according to Wang.

“This amount likely offers the most benefit in terms of prevention of major chronic disease and is a relatively achievable intake for the general public,” he said.

© HealthDay

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