Science Current Events | Science News | Brightsurf.com
 
Email a Friend Send to a friend
Printer Friendly Print Research into soy will continue but soy is not a solution for heart disease

Research into soy will continue but soy is not a solution for heart disease

February 07, 2006

Research from the Friedman School of Nutrition Science and Policy at Tufts University (Boston)

Many soy food products carry health claims stating that they reduce the risk of heart disease. A review of the evidence, however, suggests that soy's cardiovascular benefits may have been overestimated by the early studies that formed the basis for its health claim.




According to the Nutrition Committee of the American Heart Association (AHA), recent clinical trials have failed to confirm that soy protein has clinically important favorable effects on cardiovascular health. Committee Chair Alice H. Lichtenstein, DSc, who is also Stanley N. Gershoff Professor of Nutrition Science and Policy at the Friedman School of Nutrition Science and Policy at Tufts University, co-authored the updated scientific advisory report just published in Circulation.

"A very large amount of soy protein, more than half the daily protein intake, may lower [bad] LDL cholesterol by a few percentage points when it replaces dairy protein or a mixture of animal proteins. However, this is not the normal level that people in this country consume. The evidence is less favorable for soy isoflavones as the responsible component," said Lichtenstein. In addition, "no benefit is evident on [good] HDL cholesterol, triglycerides, lipoprotein(a), or blood pressure."

"The efficacy and safety of soy isoflavones for preventing or treating cancer of the breast, endometrium, and prostate are not established; evidence from clinical trials is meager and cautionary with regard to a possible adverse effect. For this reason, use of isoflavone supplements in food or pills is not recommended," the authors say.

"Soy products such as fresh or frozen soybeans (edamame), tofu, soy butter, soy nuts, and some soy burgers should be beneficial to heart health when they displace foods such as hamburgers, cheese and other sources of saturated fat from the diet," says Lichtenstein. "Heart disease is a major problem - using soy protein instead of animal protein is still a win." Lichtenstein is the director of the Cardiovascular Nutrition Laboratory at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts.

The Nutrition Committee of the AHA assessed the results of 22 studies on soy protein and its component isoflavones. Although reduction in LDL cholesterol was previously believed to be most responsible for soy's cardiovascular benefits, the overall effect observed in this analysis was an average reduction of only 3 percent. "Yes, it's a reduction," says Lichtenstein. "But that is after consistently high intakes and it is not as high as we once thought it to be." Lichtenstein and colleagues point out that this remains a dynamic area for research, and that the "AHA will continue to monitor the results and modify its advisory statement as needed."

Tufts University



Related Soy Current Events and Soy News Articles Soy Current Events and Soy News RSS Soy Current Events and Soy News RSS
Lactose intolerance rates may be significantly lower than previously believed
Prevalence of lactose intolerance may be far lower than previously estimated, according to a study in the latest issue of Nutrition Today.

Moderate amounts of protein per meal found best for building muscle
For thousands of years, people have believed that eating large amounts of protein made it easier to build bigger, stronger muscles. Take Milo of Croton, the winner of five consecutive Olympic wrestling championships in the sixth century BC: If ancient writers are to be believed, he built his crushing strength in part by consuming 20 pounds of meat every day.

Phytochemicals in plant-based foods could help battle obesity, disease
The cheeseburger and French fries might look tempting, but eating a serving of broccoli or leafy greens first could help people battle metabolic processes that lead to obesity and heart disease, a new University of Florida study shows.

Novel, soy-based SE5-OH containing Natural S-equol supplement reduced hot flash frequency by nearly 59 percent
SE5-OH containing Natural S-equol, a novel soy germ-based ingredient in a supplement, improved menopausal symptoms, including significantly reducing hot flash frequency by nearly 59 percent, according to a peer-reviewed study in Japanese women.

Preventing allergies
Allergic diseases are becoming increasingly common in Western industrialized countries. As there is still no etiologically based treatment of allergic asthma, hay fever, or atopic eczema, the prevention of these diseases is a matter of special importance.

Biofuel production could undercut efforts to shrink Gulf 'Dead Zone'
Scientists in Pennsylvania report that boosting production of crops used to make biofuels could make a difficult task to shrink a vast, oxygen-depleted "dead zone" in the Gulf of Mexico more difficult.

Buyer beware: Estrogen supplements not as effective as claimed
Dietary supplements claiming to help postmenopausal women with bone health may not be doing what they say, according to new research from Purdue University.

U of Minnesota researchers discover high levels of estrogens in some industrial wastewater
In a groundbreaking study, civil engineering researchers in the University of Minnesota's Institute of Technology have discovered that certain industries may be a significant source of plant-based estrogens, called phytoestrogens, in surface water.

ADA releases updated position paper on vegetarian diets
The American Dietetic Association has released an updated position paper on vegetarian diets that concludes such diets, if well-planned, are healthful and nutritious for adults, infants, children and adolescents and can help prevent and treat chronic diseases including heart disease, cancer, obesity and diabetes.

Vitamin E, selenium and soy in combination does not prevent prostate cancer
The combination therapy of vitamin E, selenium and soy does not prevent the progression from high-grade prostatic intraepithelial neoplasia (HGPIN) to prostate cancer, according to the new research presented at the 104th Annual Scientific Meeting of the American Urological Association (AUA).
More Soy Current Events and Soy News Articles
Nature's Bounty Soy Isoflavones, Non-GMO, 120 Capsules

Nature's Bounty Soy Isoflavones, Non-GMO, 120 Capsules
by Nature's Bounty

Dietary Supplement. Promotes Menopausal Health. With daidzein, genistein and other soy isoflavones. Soy is the perfect supplement for women undergoing menopausal changes. Soy is a rich, plant-based source of phytonutrients, naturally occurring compounds that help relieve hot flashes in menopausal women. Made from non-GMO certified soybeans, Soy Isoflavones provide holistic supplementation for a woman's most active years. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease).

  All-Natural Kimono Onepiece by Baby Soy in Ocean (6-12 months)
by Babysoy

Noted for its soft fabrics and a chic, stylish design, you can match this one-piece with any of the Baby Soy Signature line for the perfect coordinated outfit. Did you know that soybean fiber is considered to be vegetable cashmere; its soft, smooth and ultra-light?

The Whole Soy Story: The Dark Side of America's Favorite Health Food

The Whole Soy Story: The Dark Side of America's Favorite Health Food
by Kaayla T. Daniel (Author)

A groundbreaking expose that tells the truth about soy that scientists know but that the soy industry has tried to suppress. Soy is not a health food, does not prevent disease and has not even been proven safe.--Epidemiological, clinical and laboratory studies link soy to malnutrition, digestive problems, thyroid dysfunction, cognitive decline, reproductive disorders, even heart disease and cancer.

Silk Aseptic Soymilk, Very Vanilla, 8.25-Ounce Cartons (Pack of 18)

Silk Aseptic Soymilk, Very Vanilla, 8.25-Ounce Cartons (Pack of 18)
by Silk

Brace your buds for big, bold vanilla. It's the perfect way to satisfy a sweet tooth-and a craving for wholesome nutrition-in one simple sip. Rich in vitamins and minerals, such as calcium and vitamins A, C, D, B6 and B12 shelf stable; requires no refrigeration until after opening.

Soy

Soy
by Ednita Nazario

Once more, one of the most beloved and admired singers of the Spanish-speaking world, Ednita Nazario, is about to enthrall her fans.

Puerto Rican singing star Ednita is set to release a new album!

A trendsetter and a rocker, Ednita never ceases to surprise with her musical selections. And this time, she is joined by some of the most prestigious composers in the industry, including Rafael Esparza, Claudia Brant, Samo (from pop rock group Camila), Mark Portman and Tommy Torres.

Tommy Torres, a fellow Puerto Rican and close friend of Ednita's, is also one of the outstanding producers in charge of this new album, scheduled for release on October 27. Sebastián Krys and Graeme Pleeth are two of the other producers who have joined forces with Ednita to make this...

Glenny's Low Fat Soy Crisps, Cheddar, 1.3-Ounce Bags (Pack of 24)

Glenny's Low Fat Soy Crisps, Cheddar, 1.3-Ounce Bags (Pack of 24)
by Glenny's

9 g Soy Protein. 30% Daily value Calcium (Based on recent medical research, the combination of Calcium, Vitamin D, Vitamin K and Soy Protein is a nutritional powerhouse to keep bones healthy and strong. Besides great cheddar flavor, Glenny's Soy Crisps are a good source of Calcium, Folic Acid, Vitamin D and Vitamin K.). 40% RDI Folic Acid. Great taste! Real cheddar cheese. Tastes fabulous! Healthy Benefits: One 1.3 oz. bag provides you with - 9 g Soy Protein; 23 mg Soy Isoflavones; 40% RDI Folic Acid; 30% RDI Calcium. Baked not fried. Made from Non GMO Soy. Natural since 1979.

Baby Soy Layered Romper, 12-18M, Ocean

Baby Soy Layered Romper, 12-18M, Ocean
by Baby Soy

This modern & sporty one-piece ensemble by Baby Soy makes dressing fun and fast. Snaps run from collar to ankle and at the crotch to allow quick diaper changes. Baby Soy features modern baby layettes made from eco-friendly soybean fiber. Baby Soy is conscientious and green by using renewable natural resources as the raw material for its baby wear --- which is the leftover pulp from tofu, soymilk and other soy products.

The Hidden Dangers of Soy

The Hidden Dangers of Soy
by Dianne Gregg (Author)



Could Soy be Killing Your Family?

Do you believe that soy offers protection or a cure against cancer, heart disease, osteoporosis, menopause, and other illnesses? Want to know whether soy formula is good for your infant and what the possible affects soy foods can have on your entire family? Are you one of the millions of people suffering from unusual weight gain and never thought that soy might be the cause? If so, you are not alone.

I reveal the dangers of soy and what you need to know. I want to share my story with you and possibly save you and your family's life.

Learn:

* What ingredients to look for on the labels

* What alternative ingredients to use including soy-free recipes.

* Why the soybean industry wants you to believe it's the...

Glenny's Low Fat Soy Crisps, Lightly Salted, 1.3-Ounce Bags (Pack of 24)

Glenny's Low Fat Soy Crisps, Lightly Salted, 1.3-Ounce Bags (Pack of 24)
by Glenny's

Low fat. Great taste! 10 g Pure soy protein! Only 70 calories per serving. Naturally delicious. Non GMO soy. One 1.3 oz. bag provides you with: 10 g Soy Protein, 25 mg Soy Isoflavones, 3 g Dietary Fiber, more Soy Protein than tofu or soy milk. Baked not fried.

Total Soy-Naturade Soy Meal Replacement, 2lb 12 oz. Vanilla

Total Soy-Naturade Soy Meal Replacement, 2lb 12 oz. Vanilla
by Naturade

Naturade Total Soy can help you lose weight. Being overweight may be a special concern if you're trying to reduce cholesterol. Each delicious shake provides balanced nutrition and is low in fat and cholesterol with only 150 calories per serving so you can replace one or two meals and cut 500 - 1000 calories a day without feeling hungry.

© 2009 BrightSurf.com