Is Raw Milk Worth The Risk? Truth About Raw Milk And Its Potential For Contamination
Raw milk, long debated as healthier and nutritious than pasteurized milk by enthusiasts but strongly cautioned against by health practitioners, is now a hot topic in health and wellness circles with the increasing popularity of "natural" and "unprocessed" foods. The dangers surrounding raw milk have been brought to the forefront with the outbreak of H5N1 bird flu, highlighting the risk of contamination in raw milk supplies. All about raw milk, its risks, and the latest science.
Raw milk is unpasteurized milk taken directly from cows, goats, or other similar animals. Unpasteurized milk does not go through the heat treatment process meant to destroy harmful pathogens and bacteria. Raw milk proponents say that pasteurization kills nutrients and enzymes. And that might be one false claim after another, as science continues to disprove it.
According to Dr. Meghan Davis of Johns Hopkins Bloomberg School of Public Health, pasteurization does not significantly alter the concentration of minerals or the quality of proteins in milk. In fact, it's a critical step to ensure food safety, particularly for animal-derived products prone to contamination.
Wellness influencers have in recent times advocated for raw milk as the "clean" and "natural" alternative to commercial milk distributed in stores, using claims from improved digestion to the stimulation of the immune system. However, these claims are not scientifically proven. Although raw milk contains antibodies, the amounts are too small to be worth anything for health.
Raw milk consumption poses immense risks. It can become contaminated in two major ways:
1. Internal Contamination: Pathogens such as E. coli, Salmonella, and Campylobacter can seep into milk through infected animals.
2. External Contamination: Polluted water, dirt, manure, and contaminated equipment introduce harmful microorganisms.
The infections acquired from raw milk include diarrhea, stomach cramps, nausea, and fever, and severe effects can be experienced by infants, the elderly, pregnant women, and even immunocompromised people. Some other rare but serious diseases like hemolytic uremic syndrome, which may bring about renal failure or stroke, have also been associated with raw milk.
Raw milk has become a focal point of the latest bird flu outbreak as preliminary genetic analysis indicates the H5N1 virus, which causes avian flu, may have begun infecting cattle earlier than thought. And the CDC says viral particles have been found in raw milk, which adds one more risk to consuming unpasteurized dairy.
A notable case was with sick and dead cats on a Texas dairy farm that resulted from ingesting unpasteurized milk from infected cows. This presents how unpasteurized milk can be a vector for transmitting diseases.
To reduce the risk, the FDA prohibited the interstate sale of unpasteurized milk in the United States. Different states, however, have their respective regulations on this matter:
- 20 states completely banned the sale of unpasteurized milk.
- 30 states allow raw milk sales under specified conditions.
Although these laws exist for protection of public health, many consumers are not even aware of the dangers associated with their consumption.
Pasteurization destroys harmful bacteria without affecting the nutritional content of milk. Several studies in *Nutrition Today* report that pasteurization does not change the nutrient profile of milk. Pasteurized milk is free from pathogens and, therefore, also a safer alternative for all consumers, especially vulnerable ones.
It's not just raw milk that's hazardous. Cheese, yogurt, and ice cream with unpasteurized milk carry the same dangers. To anyone tempted by the supposed health value of raw dairy, experts say in one voice: stick to pasteurized, and avoid illnesses like bird flu or salmonella infection.
Health organizations, including the FDA, CDC, and American Academy of Pediatrics, strongly advise against consuming raw milk. Beyond the personal health risks, drinking raw milk can also endanger others by increasing the spread of harmful bacteria and viruses.
The emergence of H5N1 in cattle and its link to raw milk calls the world to wake up to better preparedness. Like COVID-19, bird flu has demonstrated vulnerabilities in our food safety systems. The presence of avian flu in raw milk underscores the imperative for strict rules, public education, and investments in the prevention of these diseases.
Could this outbreak push governments and health organizations to step up surveillance and vaccination efforts against zoonotic diseases? The lessons learned from COVID-19 suggest a coordinated approach is essential to prevent future pandemics.
On the other hand, raw milk is far riskier and has far fewer benefits than its apparent healthy, "natural" choice. From bacterial contamination to the allowance of viruses like H5N1, there is evidence that is clear: pasteurization cannot be wished away. As we face new health challenges, it will be science over trends that safeguard public health.
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Eating peanuts may help lower the risk of developing type 2 diabetes. Researchers have identified changes in blood fats that could help explain the association. The findings indicate that peanuts may impact the body’s lipid metabolism. The body weight also plays an important role in the association.
The study, published in The American Journal of Clinical Nutrition in 2026, combined a dietary intervention of six months with data from a large cohort to investigate how eating peanuts changes circulating lipids and how these changes relate to cardiometabolic disease risk.
Researchers from the German Institute of Human Nutrition Potsdam-Rehbruecke and the University of Barcelona analysed data from two studies.
The first was the ARISTOTLE clinical trial, which involved 63 healthy adults aged 18 to 33. Participants were randomly assigned to consume one of three options daily for six months: 25 grams of skin-roasted peanuts, 32 grams of peanut butter or 32 grams of control butter made with peanut oil.
Researchers measured changes in participants’ blood lipids before and after the intervention. They then examined data from the EPIC-Potsdam cohort, which followed more than 27,000 people and included information on 774 cases of newly developed type 2 diabetes and 545 cases of cardiovascular disease.
Using a technique called lipidomics, which analyses fats circulating in the blood, the team identified a pattern of lipid changes associated with peanut consumption. They called this the “peanut lipidomic signature”
Peanut consumption altered 51 groups of fatty acids within different lipid classes, especially lipids containing very-long-chain saturated fatty acids (VLCSFAs).
These included changes involving C22:0 and C24:0 fatty acids. Researchers found that these fatty acids were incorporated into specific lipid classes, including ceramides, suggesting that peanut consumption was linked with restructuring of the blood lipid profile rather than simply an increase in fat levels.
“This is not merely a simple increase in fat levels, but a complex 'remodeling' of the lipidome,” said first author Dr. Inés Domínguez-López.
Professor Matthias Schulze explained the significance of the findings, “By characterizing this specific peanut lipid signature, we have uncovered a potential biological marker that links dietary fat quality to metabolic outcomes.”
When researchers examined the relationship between these lipid changes and disease outcomes in the larger cohort, they found that a higher PeLS was associated with a modestly lower risk of type 2 diabetes.
For every one-standard-deviation increase in the signature, the estimated risk was 11% lower. But the signature was not associated with a lower risk of cardiovascular disease in this analysis.
Body mass index (BMI) emerged as a possible explanation for much of the association between the peanut-affected lipid signature and type 2 diabetes risk.
Researchers estimated that BMI could explain approximately 89% of the observed association, although the estimate was inaccurate. This suggests that body weight or related metabolic processes may help understand the relationship.
Domínguez-López said, “This suggests that the positive metabolic effects of these specific peanut-derived lipids may be linked to their ability to support a healthier body weight or stabilize metabolic processes related to adiposity.”
Peanuts contain unsaturated fats, fibre, protein and several micronutrients, making them essential in a balanced diet. Replacing foods rich in saturated fats or highly processed snacks with unsalted peanuts may help improve overall dietary quality.
However, the findings do not prove that peanuts directly prevent diabetes. The intervention involved only 63 young, healthy adults, while the association with disease risk was assessed using a separate observational cohort. The analysis cannot establish that the lipid changes themselves caused the lower risk.
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Starbucks is facing a class-action lawsuit in the US for marketing eight protein beverages as "sugar-free" despite containing between 13 and 21 grams of sugar in a venti serving. The lawsuit filed in Seattle states the drinks are labelled in a misleading manner that violate federal regulations. In response, Starbucks has denied the claims.
According to Reuters, the sugar comes from lactose, the naturally occurring sugar in milk, rather than sugar added to the beverages. Starbucks says the drinks contain no added sugar and that their nutritional information is available on its website and other platforms.
Also read: Nearly 1 In 4 US High School Seniors Drink Energy Drinks Daily: Doctors Warn About Caffeine Risks
Hagens Berman filed the suit on behalf of three consumers who bought Starbucks’ sugar-free protein drinks in California, New York and Washington.
“Consumers avoid sugar for various reasons, whether that be general health, diabetes and blood glucose levels or other factors, and for many, a staunch mislabeling like this is significant,” said Steve Berman, a co-founder and managing partner of the Seattle-headquartered firm.
The drinks named in the lawsuit include sugar-free vanilla and caramel protein lattes and matchas, along with their iced versions. Starbucks' U.S. website listed a 16-ounce (0.5-liter) Sugar-Free Caramel Protein Matcha with 16 grams of sugar and a 20-ounce (0.6-liter) version of the same drink with 21 grams of sugar.
The drinks are marketed as “sugar-free,” but the amount of sugar in each beverage was also mentioned, including a note that said that they were made without added sugar.
“We believe these claims have no merit,” a Starbucks spokesperson said Monday. “Starbucks has consistently and clearly provided information about its protein beverages, sugar-free options, customization choices and nutritional content across product announcements, menus, marketing materials, Starbucks.com and the Starbucks app, and we intend to vigorously defend ourselves in this matter.”
Also read: Red Bull Vs FSSAI: Beverage Giant Can Retain The 'Energy Drink' Label; What Are Its Health Risks
The American Heart Association says that naturally occurring sugars are found in foods like milk and fruit, while added sugars are added during the preparation. Lactose in milk is therefore not the same as added table sugar or syrup.
However, “naturally occurring” does not mean the amount is irrelevant or it is completely healthy. Total sugar still contributes carbohydrates and calories, and affects the overall nutritional profile of a beverage.
High consumption of sugary foods and beverages can contribute to excess calorie intake and obesity. Excess sugar intake is also linked with a higher risk of conditions including type 2 diabetes and cardiovascular disease. WHO also identifies sugar consumption as a major risk factor for dental caries.
The American Heart Association recommends limiting added sugar to no more than 25 grams per day for most women and 36 grams for men.
Therefore, a drink containing 21 grams of naturally occurring sugar cannot simply be counted as 21 grams of added sugar, but the number still gives consumers useful information about what they are drinking.
Naturally added sugars do not make it fit for consumption, especially for someone monitoring blood glucose. Lactose is a carbohydrate and is broken down into glucose and galactose during digestion.
Therefore, people with diabetes or those specifically trying to control their carbohydrate intake may still need to account for the total carbohydrate and sugar content of a drink rather than trusting terms such as “sugar-free” or “no added sugar.”
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A 20-year-old girl came in with a three-year history of missing periods, sometimes for three to four months at a stretch. She had also noticed increasing facial hair, a common sign of hormonal imbalance. She was thin-looking and had a normal body weight, with no history of significant weight gain. Further evaluation, however, showed that she had PCOS along with metabolic abnormalities.
Her case highlights an important misconception: PCOS does not always come with weight gain. Women with normal body weight can also develop the condition, and appearance alone cannot determine whether someone has PCOS.
Many women with PCOS focus on eliminating sugar, carbohydrates or processed foods, but overlook whether their diet provides enough protein, fibre and essential nutrients. PCOS can affect menstrual cycles, ovulation, androgen levels and metabolic health, and insulin resistance does not affect everyone in the same way.
Diet is also only one part of management. Hormonal factors, physical activity, sleep, genetics and individual metabolic health can influence symptoms. Persistent symptoms do not necessarily mean that someone is eating incorrectly.
Poha, upma, idli, rice and roti can all be part of a balanced diet. The focus should be on the overall meal rather than eliminating familiar foods.
A balanced meal can include:
Carbohydrates do not need to be eliminated. Pairing them with protein and fibre can improve satiety and contribute to better overall metabolic health.
Also read: Ozempic, Wegovy & PMOS: How GLP-1 Drugs Are Changing PMOS Treatment?
One common myth is that every woman with PCOS needs to follow a very low-carbohydrate diet. Another is that being thin means PCOS is unlikely. Neither reflects the full picture.
Overly restrictive diets can also result in inadequate nutrition and may be difficult to sustain. The goal should be a balanced eating pattern rather than a growing list of foods to avoid.
Iron may require attention when menstrual bleeding is heavy or prolonged, while vitamin B12 can be relevant when animal foods are limited. Calcium and vitamin D are also important when dietary intake is inadequate. Supplements should be considered according to individual needs and medical advice rather than taken routinely.
Also read: Why Rebranding PCOS As PMOS Could Mark A New Era In Women’s Health
Regular physical activity, adequate sleep and a consistent routine can support overall metabolic health. Depending on symptoms and individual needs, medical treatment may also include medicines to regulate periods, manage specific hormonal symptoms, address insulin resistance where appropriate, or support fertility.
PCOS is generally a long-term condition rather than one with a single permanent cure, but its symptoms and associated metabolic concerns can be effectively managed.
Women should consider medical evaluation if they experience:
The goal of PCOS management is not to eat less or eliminate more foods. It is to understand the individual pattern of symptoms and build sustainable habits that support nutritional, hormonal and metabolic health.
By Dr Ranjana Sharma, Senior Consultant, Obstetrics and Gynaecology, Indraprastha Apollo Hospital, Delhi
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