subject: dairy

The Effects of Dairy on Metabolic Risk Depend on the Type of Dairy Product Consumed

The Effects of Dairy on Metabolic Risk Depend on the Type of Dairy Product Consumed

Researchers have long been interested in understanding the effects of different types of dairy products on cardiometabolic health. Studies have looked at the effects of consuming different types of dairy on metabolic markers such as body weight, body fat, lean mass, or cholesterol. Although some studies have found that dairy products are associated with lower cardiometabolic disease incidence, other study results have been mixed or inconclusive. As a result, there’s still a lot researchers don’t know about the effects of long-term habitual dairy consumption on cardiometabolic risk, or the potential pathways linking the two. Read More...

California’s Dairy Industry Has Grown Kinder to the Environment

California’s Dairy Industry Has Grown Kinder to the Environment

Milk is big business in California. It’s the agricultural product that brings in more farm revenue than any other in the state. It employs about 190,000 workers, and involves 1.78 million cows. Indeed, dairy has been important to California’s economy for decades, and over time innovations in animal husbandry, feeding and in growing crops that dairy cows eat have led to substantial changes in greenhouse gas emissions. Recently, Ermias Kebreab and his colleagues at the University of California, Davis, calculated exactly how much these emissions have changed in the 50 years from 1964 to 2014. Although the total emissions from the state’s dairy industry increased over that period, the state also produced much more milk, and the industry has become more efficient in terms of its emissions. Read More...

Kefir Milk Influences Behavior in Mice

Kefir Milk Influences Behavior in Mice

The nearly 100 trillion bacteria that live in our gastrointestinal tract aren’t just involved in food digestion; they influence the health and function of the entire body. Mounting evidence suggests gut microbes may even influence the brain, including behavior. This connection between the gut and the brain is called the gut-brain axis and is a complex network of signaling pathways linking the central nervous system with the enteric (or gastrointestinal) nervous system. Read More...

Developing a Better Cattle Reference Genome

Developing a Better Cattle Reference Genome

Cows are one of our major domestic animals, with about 1.4 billion domesticated cattle being raised for meat and dairy all over the world. Humans have long drawn from the existing genetic variation in cattle populations to select a variety of breeds with useful traits. The sequencing of the cattle genome enhanced the selection of cattle by allowing the use of genomic tools to select traits. Read More...

A Gene that Helps Humans Consume Fermented Dairy

A Gene that Helps Humans Consume Fermented Dairy

Humans have many unique attributes, as does the family of species within which humans evolved—the hominids. About 15 years ago, geneticists added to the list of hominid-unique attributes by noting that species within this family have a gene called HCA3 that other mammals lack. Now a group of researchers from Leipzig, Germany has figured out what this gene does and why it was preserved by natural selection. Their evidence suggests that HCA3 blessed the hominids with the ability to eat many bacteria-riddled foods without getting sick. These include some foods that played important roles in the story of human evolution, such as fermented milk products. Read More...

Yogurt Consumption Is Associated with Reduced Mortality in Women

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...

PMS Symptoms Improve with Daily Recommended Dairy Intake

PMS Symptoms Improve with Daily Recommended Dairy Intake

Dairy foods are probably best known for their beneficial effects on bone health. But the same vitamins and minerals from dairy that help to build and maintain strong bones—calcium, phosphorus, magnesium, zinc, and riboflavin—may also have a positive influence on the symptoms of pre-menstrual syndrome (PMS). Expanding on previous research that found as association between increased calcium intake and decreased risk of PMS symptoms, a new paper from a team of Turkish researchers suggests the suite of micronutrients provided by dairy may be successful at alleviating both the emotional and physical symptoms of PMS. Read More...

Droughts, Dairy and Discretionary Foods: Healthy and Environmentally Responsible Diets Can Mean Consuming More Dairy

Droughts, Dairy and Discretionary Foods: Healthy and Environmentally Responsible Diets Can Mean Consuming More Dairy

Often, dietary advice is given from singular perspectives. Public health professionals consider nutritional benefits first and foremost. Climate activists, concerned with the carbon footprints of modern lives, frequently lobby for vegetarianism. Few studies have sought to balance these, as well as other potentially competing demands. Yet, the United Nations’ Sustainable Development Goals (SDGs) require balance. They aim for both sustainable consumption patterns (Goal 12), and ending all forms of hunger and malnutrition by 2030 (Goal 2). Read More...

Three Investigations Find Consuming Dairy Staves off Death or Cuts Diabetes Risk

Three Investigations Find Consuming Dairy Staves off Death or Cuts Diabetes Risk

Diabetes is a major cause and death and morbidity around the world. The International Diabetes Federation estimates that about 9% of the global adult population has the type 2 form of the disease. Understanding dietary contributions to risk is therefore hugely important to global public health. Although genetic risk factors for type 2 diabetes do exist, the sheer rapidity of the rise in disease incidence over recent decades suggests that genetics is a minor part of the story. In a recent issue of the American Journal of Clinical Nutrition, three papers contribute further knowledge to the field. They all describe prospective studies that followed one or several large cohorts of adults and noted how much dairy they consumed. Overall, these studies confirm that consuming dairy does not raise diabetes risk, nor the risk of other cardiovascular diseases, and if anything, that it may be protective. Read More...

Fighting the Resistome

Fighting the Resistome

We are incredibly lucky. We live at a time when antibiotics work their magic saving people from infections. Only a few generations ago, infections reigned supreme and struck down some people in most families. It had always been that way, but memory quickly fades. Modern society assumes that the effectiveness of antibiotics is here to stay—it’s a monument to human ingenuity. However, the continuing emergence of antibiotic-resistant microbes and the lack of new antibiotics in the developmental cupboard are looming threats to human health, and a stark reminder that today’s respite from infection could easily be temporary. Read More...

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