TUESDAY,
Sept. 29, 2015 (HealthDay News) - When trimming saturated fat from
your diet, subbing in whole-grain foods helps your heart, but turning to
white bread doesn't, a new study shows.
"This is very important stuff," said Dr. Robert Vogel, a cardiologist at the University of Colorado, Denver, who wrote a commentary accompanying the published study. "If you substitute high-quality carbohydrates like fruits, vegetables and whole grains, then lives are saved. It's that simple."
"Folks don't just spontaneously drop a few hundred calories of saturated fat out of their diets without replacing them with something else," explained study first co-author Adela Hruby, a research fellow at Harvard T.H. Chan School of Public Health in Boston. "The 'something else' makes a difference to their health."
The researchers found that when the men and women replaced 5 percent of their saturated fat calories with healthier polyunsaturated fats, such as those found in nuts, the risk for coronary heart disease dropped by 25 percent.
Replacement with monounsaturated fats such as olive oil dropped risk by 15 percent, and replacement with whole-grain carbs was linked with a 9 percent decrease in heart disease risk.
But subbing in processed carbs such as white bread or white rice for saturated fat had no effect on risk for heart disease.
This lack of effect means that saturated fat, found in animal products like butter and red meat, looks neutral for heart disease only when it's compared to eating refined carbs and sugar instead. Compared to other options, though, it's the non-heart-healthy choice.
The findings also mean that consumers should get rid of saturated fat, said Michelle Cardel, a spokesperson for the Obesity Society and an assistant professor in the department of health outcomes and policy at the University of Florida, in Gainesville.
"Rather than trying to add more healthy fat into your diet, the focus should be on replacing saturated fats with healthy fats," Cardel said. "You can replace them with foods high in healthy fats, including fatty fish like salmon, avocados, nuts and seeds."
Vogel has some very specific advice for the health-conscious consumer. "If you insist on meat, eat lean meat," he said. "Poultry would be better than [red] meat, white meat poultry would be better than dark meat, and fish would be better than poultry."
When it comes to carbs, said Vogel, check the nutrition labels for two key features of whole grains. "A whole grain is something where the first ingredient says 'whole grain,' not the third or the fifth, but the first," he said. The second feature is that the whole-grain food contains at least 3 grams of fiber per serving. He added, "5 grams would be better, 7 would be better still."
Foods with healthier polyunsaturated and monounsaturated fats, such as walnuts, salmon and olive oil have been a part of other delicious dietary patterns, like the Mediterranean diet, for decades, maybe even centuries.
Vogel said that people don't need to retrain their taste buds to eat healthier - "they have to retrain their brains."
"This is very important stuff," said Dr. Robert Vogel, a cardiologist at the University of Colorado, Denver, who wrote a commentary accompanying the published study. "If you substitute high-quality carbohydrates like fruits, vegetables and whole grains, then lives are saved. It's that simple."
"Folks don't just spontaneously drop a few hundred calories of saturated fat out of their diets without replacing them with something else," explained study first co-author Adela Hruby, a research fellow at Harvard T.H. Chan School of Public Health in Boston. "The 'something else' makes a difference to their health."
The researchers found that when the men and women replaced 5 percent of their saturated fat calories with healthier polyunsaturated fats, such as those found in nuts, the risk for coronary heart disease dropped by 25 percent.
Replacement with monounsaturated fats such as olive oil dropped risk by 15 percent, and replacement with whole-grain carbs was linked with a 9 percent decrease in heart disease risk.
But subbing in processed carbs such as white bread or white rice for saturated fat had no effect on risk for heart disease.
This lack of effect means that saturated fat, found in animal products like butter and red meat, looks neutral for heart disease only when it's compared to eating refined carbs and sugar instead. Compared to other options, though, it's the non-heart-healthy choice.
The findings also mean that consumers should get rid of saturated fat, said Michelle Cardel, a spokesperson for the Obesity Society and an assistant professor in the department of health outcomes and policy at the University of Florida, in Gainesville.
"Rather than trying to add more healthy fat into your diet, the focus should be on replacing saturated fats with healthy fats," Cardel said. "You can replace them with foods high in healthy fats, including fatty fish like salmon, avocados, nuts and seeds."
Vogel has some very specific advice for the health-conscious consumer. "If you insist on meat, eat lean meat," he said. "Poultry would be better than [red] meat, white meat poultry would be better than dark meat, and fish would be better than poultry."
When it comes to carbs, said Vogel, check the nutrition labels for two key features of whole grains. "A whole grain is something where the first ingredient says 'whole grain,' not the third or the fifth, but the first," he said. The second feature is that the whole-grain food contains at least 3 grams of fiber per serving. He added, "5 grams would be better, 7 would be better still."
Foods with healthier polyunsaturated and monounsaturated fats, such as walnuts, salmon and olive oil have been a part of other delicious dietary patterns, like the Mediterranean diet, for decades, maybe even centuries.
Vogel said that people don't need to retrain their taste buds to eat healthier - "they have to retrain their brains."
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