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National Institude of Allergy and Infectious Disease

The Centers for Disease Control and Prevention (CDC) warned Thursday of a drug-resistant strain of salmonella newport linked to the overuse of antibiotics in cattle farming.

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Clostridium difficile bacterium with peritrichous flagella, computer illustration. C. difficile is now becoming resistant to most antibiotics.
KATERYNA KON / SCIENCE PHOTO LIBRARY / Getty Images

One of the most widespread bacteria known to cause serious gut infections is evolving to take advantage of high-sugar diets in the West and resist disinfecting methods used in healthcare settings.

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EcoWatch Daily Newsletter

3sbworld / iStock / Getty Images Plus

By Cosby Stone

Whenever I am asked what I do for a living, the phrase "I'm an allergist" is almost immediately followed by "So, where are all of these allergies coming from?"

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A vegetarian bowl with quinoa fritters. Westend61 / Getty Images

By Ketura Persellin

You've likely heard that eating meat and poultry isn't good for your health or the planet. Recent news from Washington may make meat even less palatable: Pork inspections may be taken over by the industry itself, if a Trump administration proposal goes into effect, putting tests for deadly pathogens into the hands of the industry.

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More than 27 percent if all medically important antibiotics sold in the U.S. are used to raise pigs. North Dakota Department of Agriculture

By Christy Spees

On March 1, Denny's stopped purchasing chicken treated with medically important antibiotics for its U.S. restaurants. Many consumers might expect to see such promises at Whole Foods or their local farm-to-table restaurant, but why is a chain like Denny's (i.e., one that is enjoyed more for its assortment of inexpensive breakfast foods than its moral standards) joining the trend to reduce antibiotics in meat?

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Sein River in Paris. Pixabay

Some of the world's most iconic rivers contain antibiotics that exceed safety standards, according to a global study testing hundreds of rivers across six continents.

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monkeybusinessimages / iStock / Getty Images Plus

By Nicole Ferox

Did you know that in order to receive organic certification, packaged foods must be free of not only toxic pesticides but also thousands of added chemicals like artificial preservatives, colors and flavors? Only 40 synthetic substances have been reviewed and approved for organic packaged foods. By contrast, thousands of chemicals can be added to conventional packaged foods, many of which don't require independent government review or approval for use.

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Orange grove in Polk County, Florida. jmsilva / iStock / Getty Images

Advocates from public-health and environmental groups delivered more than 45,000 petition signatures to the U.S. Environmental Protection Agency Wednesday asking the agency to deny a proposal that would expand spraying antibiotics on citrus fields.

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A wastewater treatment plant. dszc / E+ / Getty Images

Antibiotic-resistance is a growing concern, and now a new study from the University of Southern California (USC) has pinpointed another way it can spread: through wastewater treatment plants.

The study, published in Environmental Science and Technology last week, found that if bacteria in wastewater treatment plants are exposed to just one type of antibiotic, they can actually develop resistance to several drugs.

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PeopleImages / E+ / Getty Images

By Daniel Ross

Hurricane Florence, which battered the U.S. East Coast last September, left a trail of ruin and destruction estimated to cost between $17 billion and $22 billion. Some of the damage was all too visible—smashed homes and livelihoods. But other damage was less so, like the long-term environmental impacts in North Carolina from hog waste that spilled out over large open-air lagoons saturated in the rains.

Hog waste can contain potentially dangerous pathogens, pharmaceuticals and chemicals. According to the state's Department of Environmental Quality, as of early October nearly 100 such lagoons were damaged, breached or were very close to being so, the effluent from which can seep into waterways and drinking water supplies.

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AndreyPopov / iStock / Getty Images Plus

In the past 30 years, food allergies have become increasingly common in the United States. Changes to human genetics can't explain the sudden rise. That is because it takes many generations for changes to spread that widely within a population. Perhaps the explanation lies in changes to our environment, particularly our internal environment. Shifting lifestyle practices over the last half-century—increasing antibiotic and antimicrobial use, surface sterilization, air filtration and changes to diet—have changed our internal environment and wiped out important bacteria with beneficial health effects.

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