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HEALTH BENEFITS OF EATING YOGURT

HEALTH BENEFITS OF EATING YOGURT

Benefit No. 1: Yogurt With Active Cultures May Help the Gut

While more study is needed, there’s some evidence that yogurt with active cultures may help certain gastrointestinal conditions, including:

That’s what researchers from the Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging at Tufts University concluded in a review article. The benefits are thought to be due to:

  • Changes in the microflora of the gut
  • The time food takes to go through the bowel.
  • Enhancement of the body’s immune system (more on this below).

In another recent study, the type of diarrhea that some people get after taking antibiotics was found to be reduced when the study participants drank a drink containing three particular probiotics (L. casei, L. bulgaricus, and S. thermophilus).

Benefit No. 2: Some Probiotic Strains May Boost the Immune System

While much also remains to be learned about probiotics and the immune system, recent studies suggest that certain probiotic strains offer some benefits:

  • One review article suggests probiotics may help withinflammatory bowel disease by changing the intestinal microflora and lessening the immune system response that can worsen the disease.
  • Another study indicated probiotics may enhance resistance to and recovery from infection. In research on elderly people, researchers found that the duration of all illnesses was significantly lower in a group that consumed a certain probiotic found in fermented milk. They reported a possible 20% reduction in the length of winter infections (including gastrointestinal and respiratory infections).
  • Yogurt containing two probiotics, lactobacillus and bifidobacterium, was found to improve the success of drug therapy (using four specific medications) on 138 people with persistent H. pylori infections, according to a recent Taiwanese study. H. pylori is a bacterium that can cause infection in the stomach and upper part of the small intestine. It can lead to ulcers and can increase the risk of developing stomach cancer as well.

Benefit No. 3: Yogurt With Active Cultures May Discourage Vaginal Infections

Candida or “yeast” vaginal infections are a common problem for women with diabetes. In a small study, seven diabetic women with chronic candidal vaginitis consumed 6 ounces of frozen aspartame-sweetened yogurt per day (with or without active cultures).

Even though most of the women had poor blood sugarcontrol throughout the study, the vaginal pH (measure of acidity or basicity) of the group eating yogurt with active cultures dropped from 6.0 to 4.0 (normal pH is 4.0-4.5). These women also reported a decrease in candida infections. The women eating the yogurt without active cultures remained at pH 6.0.

Benefit No. 4: Yogurt May Help Prevent Osteoporosis

“Adequate nutrition plays a major role in the prevention and treatment of osteoporosis, and the micronutrients of greatest importance are calcium and vitamin D,” says Jeri Nieves, PhD, MS, director of bone density testing at New York’s Helen Hayes Hospital.

Calcium has been shown to have beneficial effects on bone mass in people of all ages, although the results are not always consistent, says Nieves, also an assistant professor of clinical epidemiology at Columbia University.

“The combination of calcium and vitamin D has a clear skeletal benefit, provided the dose of vitamin D is sufficiently high,” she adds.

And what qualifies as “sufficiently high?”

Currently, 400 IU per day is considered an adequate intake of vitamin D for people ages 51-70, Nieves says. (Look for the Daily Value amount listed on food labels.) But more may be better.

“This amount is likely to be sufficient for most young adults for skeletal health, although many would argue that for overall health, more than the 400 IU may be required, even at these younger ages,” Nieves said in an email interview.

Nieves believes that older people specifically can benefit from more vitamin D.

Many dairy products, including some yogurts, are made with added vitamin D. Find out which brands have added vitamin D by checking out the table below, and by reading labels when you shop.

Benefit No. 5: Yogurt May Reduce the Risk of High Blood Pressure

One study, which followed more than 5,000 university graduates in Spain for about two years, found a link between dairy intake and risk of high blood pressure.

“We observed a 50% reduction in the risk of developing high blood pressure among people eating 2-3 servings of low-fat dairy a day (or more), compared with those without any intake,” Alvaro Alonso, MD, PhD, a researcher in the department of epidemiology at the Harvard School of Public Health, says in an email interview.

Although most of the low-fat dairy consumed by the study subjects was as milk, Alvaro believes low-fat yogurt would likely have the same effect. Dutch researchers recently reported that higher dairy consumption (mainly from milk and yogurt) was modestly linked to lower blood pressure in 2064 Dutch men and women ages 50 to 75.

Benefit No. 6: Yogurt May Help You Feel Fuller

A study from the University of Washington in Seattle testedhunger, fullness, and calories eaten at the next meal on 16 men and 16 women who had a 200-calorie snack. The snack was either:

  • Semisolid yogurt containing pieces of peach and eaten with a spoon
  • The same yogurt in drinkable form
  • A peach-flavored dairy beverage
  • Peach juice

Although those who had the yogurt snacks did not eat fewer calories at the next meal, both types of yogurt resulted in lower hunger ratings and higher fullness ratings than either of the other snacks.

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