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What are ultraprocessed foods?
Ultraprocessed foods like chicken nuggets and soda and make up about 60% of the American diet.
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What is a product recall?
Recalls occur when manufacturers and distributors remove products “that present a risk of injury or gross deception or are otherwise defective,” according to the FDA.
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Vaccinating poultry could help cut soaring egg prices but US remains hesitant
There are fears that vaccinating could allow the virus to linger undetected in flocks and mutate in ways that could make it more of a threat to humans.
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Ventura Public Health urges vaccinations for measles before traveling
Ventura County Public Health officials are urging residents not already vaccinated for measles to do so prior to traveling during spring break.
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What to know about measles in California and across the United States
The first measles case of 2025 involving a Los Angeles County resident was reported this week by health officials. On Tuesday, the Los Angeles County Department of Public Health reported the case involving a county resident who traveled through Los Angeles International Airport. As of March 8 in California, there were five confirmed measles cases this year, according to the…
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Fact Check: RFK Jr. misleads on vitamin A, unsupported therapies for measles
In the midst of a growing measles outbreak in Texas that has killed one child, Health and Human Services Secretary Robert F. Kennedy Jr. has misleadingly focused on vitamin A, including from cod liver oil, and two non-standard medications as treatments for measles.
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Your questions about bird flu, answered
Sky-high egg prices have drawn renewed attention to the bird flu outbreak, which has caused more than 166 million wild and domestic birds in the U.S. to die since it began in 2022.
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What is hantavirus, and how do you get rare infectious disease?
The wife of Gene Hackman died from hantavirus pulmonary syndrome, officials ruled.
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What is hantavirus?
Hantaviruses are a family of viruses which can cause serious illness and death, according to the Centers For Disease Control and Prevention.
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Prioritizing sleep ahead of daylight saving time
A sleep medicine expert with Kaiser Permanente San Bernardino offers advice on how to adjust to the daylight saving time change. This video was broadcast on the NBC4 News at 5 a.m. on March 7, 2025.
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The facts behind community fluoridation, which can reduce tooth decay by 25%
Health experts consider fluoride essential for preventing cavities, yet some states are considering banning it. Here’s what you need to know.
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FDA nominee sidesteps questions on abortion pill, agency layoffs and other issues
If confirmed to lead the powerful regulatory agency, Dr. Marty Makary would take over at a turbulent period for FDA.
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Dozens of dead birds found on Long Island beach believed to have died from avian flu
A Long Island beachside community in Suffolk County is worried about dozens of dead birds that have washed up on the shore and been found in backyards, especially because officials believe the birds died from avian flu.
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Fact check: RFK Jr. minimizes measles outbreak in Texas
Robert F. Kennedy Jr., head of the Department of Health and Human Services, downplayed the seriousness of an ongoing measles outbreak in Texas, falsely claiming that people had been hospitalized “mainly for quarantine” and misleadingly stating that the situation is “not unusual.”
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Concerned about measles? Wondering if you need the vaccine? Here's what to know
There are a lot of questions about the efficacy of the measles vaccine and whether some should get a booster or be revaccinated. We’ve got answers.
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Texas health officials: Measles is a ‘vaccine-preventable disease that we had eradicated'
Health officials in Lubbock, Texas, held a press conference on Wednesday following confirmation of the first death related to the current measles outbreak.
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As measles cases mount in the US, what's the situation worldwide?
Here’s a look at the global measles situation after the United States registered its first death from the disease in 10 years.
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First measles death reported in Texas outbreak that's infected more than 120 people
A person who was hospitalized with measles has died in West Texas, marking the first death in an outbreak that began late last month.
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OC high schools introduce ‘well-spaces' with more on the way. What to know
As academic pressures continue to mount during college application and acceptance season, local high schools are fighting the stress by creating safe spaces for students.
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LA, OC health officials warn of measles case confirmed in infant traveler
Public health officials in Los Angeles and Orange Counties are warning the public of a confirmed measles case that’s been detected in both regions.