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C.D.C. Study Finds Silent Bird Flu Infections in Dairy Veterinarians

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C.D.C. Study Finds Silent Bird Flu Infections in Dairy Veterinarians

Three dairy veterinarians, including one who worked only in states with no known bird flu outbreaks in cows, had recent, undetected bird flu infections, according to a new study from the Centers for Disease Control and Prevention. The results are based on antibody testing of 150 veterinarians working in 46 U.S. states.

The findings were not entirely surprising, experts said, but did suggest that the virus, known as H5N1, could be infecting cows and people in more states than have been officially reported.

“We do not know the extent of this outbreak in the U.S.,” said Seema Lakdawala, a virologist at Emory University. “There are clearly infections happening that we’re missing.”

Since the bird flu outbreak in dairy cows was first reported last March, the virus has been confirmed in more than 950 herds in 16 states. It has also been detected in 68 people, 41 of whom had contact with sick cows. Most people have had mild symptoms.

The new study, which was published in the C.D.C.’s flagship Morbidity and Mortality Weekly Report, was initially slated for publication several weeks ago but was delayed by the Trump administration’s pause on public communications from health and science agencies.

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“It’s important for public health preparedness that we have this data,” said Dr. Nahid Bhadelia, the director of the Boston University Center on Emerging Infectious Diseases.

The study was conducted at a veterinary conference last September; participating vets practiced in 46 different states, as well as in Canada. Of the 150 veterinarians enrolled in the study, 25 of them reported having worked with cows who were either known to have or suspected of having bird flu.

Three of the vets tested positive for antibodies to the virus. None of those three vets had reported working with cows believed to have bird flu. (One had worked with infected poultry.) None recalled any flulike symptoms.

One of the vets worked with cows only in Georgia and South Carolina, states that had not reported any affected herds.

“I think we’ve all suspected that there are many more states, potentially, where the virus is that are not being detected,” Dr. Bhadelia said.

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Dr. Lakdawala said that she was surprised that none of the 25 veterinarians who knew that they had worked with infected cows had tested positive for antibodies. But it’s possible that those who knew they were working with infected animals “were taking more precautions,” she said.

None of the three vets who tested positive for antibodies reported wearing masks or goggles. Such precautions are not recommended when working with healthy animals in unaffected regions, the study notes.

Precisely how veterinarians are being infected remains unclear, and vets may have less contact with virus-laden milk than the farm workers who spend their days in milking parlors, Dr. Lakdawala said.

“The vets that we’ve talked to on these farms are involved in all aspects of care for these animals,” she said. “They’re all over these cows, looking at everything.”

The findings highlighted the need for far more testing, experts said, including testing of asymptomatic dairy workers and bovine vets, as well as expanded testing of the nation’s milk supply.

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The U.S. Department of Agriculture announced a national program to test bulk samples of milk in December. As of Feb. 7, 40 states were enrolled and actively conducting testing. In Nevada, the bulk testing of milk recently revealed that dairy herds had been infected with a new version of the virus, distinct from the one that had been spreading in dairy cows over the past year.

“The states that haven’t onboarded bulk milk testing should do that, just not assume that because they haven’t had infected herds reported that they have a little bit of leeway,” Dr. Bhadelia said.

When the study was conducted last fall, the virus had been detected in dairy herds in 14 states, as well as in 14 people, four of whom had contact with dairy cows.

Apoorva Mandavilli contributed reporting.

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Brain Health Challenge: Doctor Appointments for Your Mind and Body

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Brain Health Challenge: Doctor Appointments for Your Mind and Body

Congratulations, you’ve reached the final day of the Brain Health Challenge! Today, we’re asking you to do a few things that might feel a bit out of left field — like getting your blood pressure checked.

No, it isn’t as fun as playing Pips, but experts say it’s one of the most important things you can do for your brain. That’s because heart health and brain health are intrinsically linked.

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High blood pressure, in particular, can damage brain cells, and it’s a significant risk factor for stroke and dementia. When blood pressure is too high, it places stress on the walls of arteries in the brain. Over time, that added stress can cause the blood vessel walls to thicken, obstructing blood flow. In other cases, the increased pressure causes the artery walls to thin and leak blood into the brain.

These changes to the blood vessels can sometimes cause a large stroke to occur. More commonly, the damage leads to micro-strokes and micro-hemorrhages, which cause fewer immediate problems and often go unnoticed. But if someone has hypertension for years or decades, these injuries can build up, and the person may start to experience cognitive impairment.

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High blood pressure “is known as a silent killer for lots of reasons,” said Dr. Shyam Prabhakaran, the chair of neurology at the University of Chicago. “It doesn’t cause you any symptoms until it does.”

Because the damage accumulates over many years, experts say that managing blood pressure in midlife matters most for brain health. Hypertension can be addressed with medication or lifestyle changes, as directed by your doctor. But the first thing you need to do is know your numbers. If your blood pressure comes back higher than 120/80, it’s important to take it seriously, Dr. Prabhakaran said.

While you’re at it, there are a few other aspects of your physical health that you should check on.

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Your eyes and ears are two of them. Hearing and vision loss have both been shown to increase the risk of dementia. Experts think that with less sensory information coming in to stimulate the brain, the regions that process hearing and vision can start to atrophy. What’s more, people with sensory loss often withdraw or are left out of social interactions, further depriving them of cognitive stimulation.

Oral health can also affect your brain health. Research has found a connection between regular flossing and reduced odds of having a stroke. That may be because good oral health can help to reduce inflammation in the body. The bacteria that cause gum disease have also been tied to an increased risk of Alzheimer’s.

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And have you gotten your shingles vaccine? There is mounting evidence that it’s a powerful weapon for protecting against dementia. One study found that it lowered people’s odds of developing the condition by as much as 20 percent.

To wrap up this challenge, we want you to schedule a few medical appointments that benefit your brain, as well as your body.

After five days of feeding, exercising and challenging your brain, you are well on your way to better cognitive health. Thanks for joining me this week, and keep up the good habits!

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Health experts react as Andrew Huberman backs Trump admin’s new food pyramid

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Health experts react as Andrew Huberman backs Trump admin’s new food pyramid

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The Trump administration has taken a new approach to the food pyramid.

The Department of Health and Human Services (HHS) announced new guidelines on Wednesday with an updated, inverted pyramid. The top of the pyramid, which is now the wider part of the structure, is built on meat, fats, fruits and vegetables, while whole grains are at the narrow bottom.

This follows HHS Secretary Robert F. Kennedy Jr.’s mission to “Make America Healthy Again” (MAHA), aimed at addressing chronic disease, childhood illnesses and ultraprocessed foods.

DOCTORS WARN SOME POPULAR FOODS AND DRINKS COULD BE SECRETLY SABOTAGING MEN’S TESTOSTERONE LEVELS

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“The new guidelines recognize that whole, nutrient-dense food is the most effective path to better health and lower health care costs,” Kennedy said during a press briefing in Washington, D.C. 

“Protein and healthy fats are essential, and were wrongly discouraged in prior dietary guidelines. We are ending the war on saturated fats.”

The Trump administration announces the 2025-2030 Dietary Guidelines for Americans, putting “real food” back at the center of health. (realfood.gov)

The HHS secretary rallied against refined carbohydrates, food additives and added sugar, highlighting the health risks associated with sugar-sweetened beverages. 

Kennedy’s main message to Americans was to “eat real food.”

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TRUMP ADMIN’S NEW NUTRITION GUIDELINES TARGET ULTRA-PROCESSED FOODS, EASE UP ON RED MEAT AND SATURATED FATS

The announcement triggered reactions from top health and wellness voices, including Stanford neuroscientist Dr. Andrew Huberman, host of the “Huberman Lab” podcast.

In a post on X, Huberman shared the White House’s graphic of the new pyramid, praising the decisions that were made.

“Oatmeal (and I think that’s rice and sourdough) made the cut!” he commented. “In all seriousness, assuming overall calories are kept in check and people exercise & get sun(day)light, this looks spot on.”

He added, “Maybe up the veggies a bit, add low-sugar fermented foods like sauerkraut & this is great.”

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Huberman said in a thread on the same post that Americans “don’t have to eat all the foods” shown in the diagram.

“You won’t see me drinking milk or eating shrimp,” he said. “Nothing against shrimp, I just don’t like the taste. Aversion to crustaceans.”

“Maybe up the veggies a bit, add low-sugar fermented foods like sauerkraut & this is great,” Huberman commented on X. (Chance Yeh/Getty Images for HubSpot; iStock)

The new guidelines received praise from other major health figures, including former FDA commissioner Dr. David Kessler.

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“There should be broad agreement that eating more whole foods and reducing highly processed carbohydrates is a major advance in how we approach diet and health,” Kessler told The Associated Press.

“Protein and healthy fats are essential, and were wrongly discouraged in prior dietary guidelines.”

Dr. Bobby Mukkamala, president of the American Medical Association, shared in a statement that these guidelines “affirm that food is medicine and offer clear direction patients and physicians can use to improve health.”

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“The American Medical Association applauds the Administration’s new Dietary Guidelines for spotlighting the highly processed foods, sugar-sweetened beverages and excess sodium that fuel heart disease, diabetes, obesity and other chronic illnesses,” Mukkamala wrote.

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The American Medical Association applauded the HHS for its updated nutrition guidelines. (iStock)

But not all feedback was positive.

Some people expressed concern about prioritizing red meat and dairy, while calling for the limitation of saturated fat.

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Neal Barnard, president of the Physicians Committee for Responsible Medicine, shared in a reaction to STAT that while the guidelines “do have one or two good points, emphasizing fruits and vegetables and limiting alcohol,” the guidelines are “for the most part a strong reflection of industry influence.”

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Christopher Gardner, a nutrition expert at Stanford University, also spoke out against the new guidelines, as reported by NPR.

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“I’m very disappointed in the new pyramid that features red meat and saturated fat sources at the very top, as if that’s something to prioritize. It does go against decades and decades of evidence and research,” said Gardner, who was a member of the Dietary Guidelines Advisory Committee.

Fox News Digital’s Rachel Wolf, as well as Alexandria Hoff of Fox News, contributed reporting.

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Matt Damon’s Gluten-Free Diet Helped Him Lose 18 Pounds

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Matt Damon’s Gluten-Free Diet Helped Him Lose 18 Pounds


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Matt Damon’s Weight Loss: Actor Drops 18 Lbs with This Diet | Woman’s World




















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