subject: calcium

Real Milk, Plant-based Alternatives, and the Promotion of Healthy Teeth

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Real Milk, Plant-based Alternatives, and the Promotion of Healthy Teeth

Dentists have plenty to do these days. During the pandemic, for weeks and months at a time, countries have put in place policies that have postponed many a dental check-up. Probably millions. Meanwhile, forced to stay home, people’s diets have shifted. One analysis of the Brisighella Heart Study cohort found that participants ate more yogurt and drank more milk than usual during Italy’s February-April 2020 lockdown. They also guzzled more sugars and sweets. While no dentist expects the extra sugar and sweets to make their job any easier, the elevated yogurt and milk intake just might, depending, that is, on whether individuals consumed dairy milk products or plant-based alternatives. Read More...

Yogurt Consumption Is Associated with Reduced Mortality in Women

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Yogurt Consumption Is Associated with Reduced Mortality in Women

Given its beneficial effects on health, it’s perhaps not surprising that yogurt has been thought to increase lifespan. “Yogurt and other fermented milk products such as kefir have long been claimed to extend life expectancy by Eastern European countries such as Bulgaria,” says Dr. Karin Michels, now at the University of California, Los Angeles. “We were curious whether these claims would be supported by data,” she says. Read More...

Ironing Out Allergy to Cow’s Milk Protein

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Ironing Out Allergy to Cow’s Milk Protein

After hundreds of thousands of years of evolution and carrying the unrelenting burden of survival of the fittest, humans have increasingly become allergic to food. Who would have thought? It seems like the ultimate contradiction of our time. Heading the list of serial offenders are nuts, seafood, eggs, wheat, soy, and cow’s milk. About 8% of children and 5% of adults in Western countries are diagnosed with food allergies [8]. Scientists agree that the priming of allergic responses (sensitization) to some foods and the development of normal tolerance to foods generally occurs early in life [1,6,9]. Over the last two decades, the health authorities’ recommendations for when to introduce some of these foods to infants have radically changed as clinical investigators reveal new information that directly conflicts with past practices. One area of some confusion relates to the reason for the recommended late introduction of liquid cow’s milk to infants. Read More...

Milk Casein Proteins: Ancient, Diverse, and Essential

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Milk Casein Proteins: Ancient, Diverse, and Essential

Grab your nearest carton of milk. Find the nutrition label. Under total fat, you’ll likely find information about how much of that fat is saturated, unsaturated, and even trans fatty acids. Under carbohydrates, you’ll learn how much fiber and sugar your milk contains. But there is just one row of information when it comes to protein, giving the false impression that milk protein is not nearly as complex as milk fat or sugar. However, cow milk is made up of two different types of proteins, whey and casein, the majority of which is are caseins. There are four different subtypes of casein proteins, and for each of the four subtypes, there are dozens of different genetic variants. How’s that for complex? Read More...

Higher Milk Consumption Is Associated with Reduced Risk of Hip Fractures

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Higher Milk Consumption Is Associated with Reduced Risk of Hip Fractures

Bone density decreases with age, leading to an increased risk of hip fractures. Milk is considered helpful for maintaining bone health due to its high calcium, protein, and its fortification with vitamin D, and the 2015 Dietary Guidelines for Americans recommends that adults consume two to three cups of milk or equivalent dairy foods per day to protect aging bones. Read More...

Dairy Foods Promote Calcium Absorption and Bone Mineralization

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Dairy Foods Promote Calcium Absorption and Bone Mineralization

Nutrition pop quiz: Which food provides the most calcium for an adult human body, 10 cups of spinach (containing 300 mg of calcium) or 1 cup of milk (also containing 300 mg of calcium)? Whereas spinach contains an acid that binds calcium and renders it almost completely indigestible, the ingredients in milk—and other dairy products—work synergistically to enhance calcium absorption and its subsequent deposition into bones in a manner not seen in any other dietary source of calcium. Read More...

Happy Cows to Reduce Milk Fever

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Happy Cows to Reduce Milk Fever

Serotonin is best known to us as a brain factor that affects mood, with high levels associated with euphoria. However, it has much wider effects in the body, influencing gut motility, blood vessels, and osteoporosis. To scientists, this points to an interaction with calcium, and as we all know, calcium is an important component of milk and dairy products. So does serotonin influence milk calcium, and could the mood of cows affect milk production? Recent research by scientists in Wisconsin suggests that serotonin has an effect on regulating calcium in the important transition period from late pregnancy through lactation. Read More...

Eating Whole-fat Yogurt Is Associated with Lower Obesity in an Elderly Population

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Eating Whole-fat Yogurt Is Associated with Lower Obesity in an Elderly Population

For those on a diet, it might be natural to reach for low-fat rather than whole-fat yogurt. But the results of a new study might make that decision a little more complicated, at least in some populations. In the study, Carmen Sayón-Orea and her colleagues at the University of Navarra found that eating whole-fat yogurt was associated with a decrease in waist circumference and a greater probability of reducing abdominal obesity in an elderly population at high cardiovascular risk. The researchers didn’t find a similar association with low-fat or total yogurt consumption. Read More...

Prolactin Targets Intestines Too

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Prolactin Targets Intestines Too

Prolactin (PRL) is a hormone that, as its name clearly indicates, PROmotes LACTation. Although it is best known for initiating milk production in the mammary glands, prolactin actually targets numerous other tissues throughout the body during lactation. One important target is the gut, where prolactin is believed to influence calcium absorption. A new study confirms this hypothesis, demonstrating that prolactin increases the ability of the intestines to absorb calcium and transfer it to the bloodstream. These important findings show that although PRL may have the important job of telling the mammary glands to make milk, it also plays a critical role in making sure that milk has all of the necessary ingredients. Read More...

Milk and Potatoes Made the World Go Round

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Milk and Potatoes Made the World Go Round

Population growth, urbanization and, as a consequence, economic and political development owe much to humankind’s ability to make use of two humble foodstuffs: milk and potatoes. That is the theory put forward by development economist C. Justin Cook, of the University of California, Merced. Read More...

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