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NTSB links loose wire and fuel pump issue to Baltimore bridge crash

admin - Latest News - November 18, 2025
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NBC News’ Aaron Gilchrist reports on new details that federal investigators have released about the cargo ship accident that led to 2024’s deadly bridge collapse in Baltimore.



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November 13, 2025
Nov. 13, 2025, 11:00 AM ESTBy Kaitlin SullivanEating more ultra-processed foods is tied to an increased risk of precancerous colorectal growths in women under 50, according to a study published Thursday in JAMA Oncology.These growths, called adenomas or polyps, can later turn into cancer and are a good indicator of a person’s cancer risk, experts say.Rates of colorectal cancer in people under 50 have risen sharply in recent decades. The findings could offer new insights into what’s driving this increase.“One approach we’ve been taking is trying to understand what has changed in our environment that could be driving this. What are some trends that mirror this acceleration in cancer rates?” said study leader Dr. Andrew Chan, a gastroenterologist and the chief of the clinical and translational epidemiology unit at Massachusetts General Brigham in Boston.Ultra-processed foods now make up the bulk of the average American’s diet, especially among kids. The foods, which tend to be high in calories, have been linked to depression, Type 2 diabetes and early death. Some experts have also suspected eating these foods could be driving the increase in colorectal cancer rates among young people.To test this hypothesis, Chan and his team used data from more than 29,000 women who participated in the Nurses’ Health Study II, an ongoing study of female registered nurses established in 1989. The women, who were between 24 and 42 when they enrolled in the study, were followed for 24 years, from 1991 through 2015. Every four years, everyone filled out a questionnaire about their diets, and everyone had at least one colonoscopy before 50.The researchers looked at whether the women were diagnosed with precancerous polyps: either adenomas, which are more likely to turn into cancer, or serrated lesions. While only about 5% of adenomas are cancerous, about 75% of colorectal cancers start as adenomas, according to the Cleveland Clinic. Serrated lesions are still considered precancerous but are linked to fewer cases of colorectal cancer, Chan said.The study found a connection between eating more ultra-processed foods and developing an adenoma before 50. It didn’t see any links between the foods and serrated lesions.Because the majority of colon cancers arise from adenomas, the study showing a link between eating more ultra-processed foods and an increased risk of developing adenomas specifically gave Chan and his team more confidence that these foods could increase colorectal cancer risk, he said.“The strength was that we looked at two major types of polyps — it’s the adenoma type that seems to underlie cancer, and we saw the link between that,” he said. “About 1,200 women in the study developed adenomas. Compared to those who ate the fewest ultra-processed foods, those who ate the most — accounting for one-third of their daily calories — were about 1.5 times more likely to develop adenomas. Specific foods also appeared to increase risk. Diets higher in sugar and artificial sweeteners were most linked to higher rates of adenomas, followed by diets high in sauces, spreads and condiments.Although the study included only women, the majority of whom were white, other studies have also found a link between men eating more ultra-processed foods and developing cancer.“We don’t have any reason to believe there would be a difference in men compared to women,” Chan said, adding that additional research should include men to be sure.Most colorectal polyps do not turn into cancer, but nearly all colorectal cancer does start as a polyp, said Dr. Folasade May, a gastroenterologist and an associate professor of medicine at the David Geffen School of Medicine at UCLA, who wasn’t involved with the research.This is why doctors remove any polyps they find during a colonoscopy, and why people who have polyps are considered to be at higher risk for developing colorectal cancer. “They are looking at the first step, who is more likely to get these polyps that can turn into cancer,” May said of the study.The problem is that routine screening for colorectal cancer does not happen until age 45, said Dr. Christopher Lieu, the co-director of gastrointestinal medical oncology at the University of Colorado Anschutz School of Medicine in Aurora.“The concern is that whenever you have a polyp in a young person, that polyp is allowed to grow unnoticed, and because you are not screening those young patients,” Lieu said. This makes it even more important to identify the modifiable lifestyle factors that are driving increased rates of colorectal cancer in young people, added Lieu, who wasn’t involved with the new research.Although scientists have yet to determine a clear cause, the rise in rates is unlikely to be driven by genetics, May said.“This has happened very fast, so it is likely unfortunately something we have done to ourselves as humans, in the way we live our lives,” she said. “It’s jarring, hearing stories every week about people in their 20s, 30s, 40s getting cancers that, when I was in medical school, we were taught happen in people in their 80s.”Ultra-processed foods cause inflammation in the gut — which includes the colon — that impairs the gut’s ability to repair itself when damaged and keep tumors at bay. High levels of inflammation are also linked to cancer in general, May said. Another hypothesis is that people who eat more ultra-processed foods are more likely to have obesity and Type 2 diabetes, both which are linked to a higher risk for colorectal cancer.“More likely, it’s the direct toxic effects of these ultra-processed foods,” May said.Chan, the study author, said ultra-processed foods are known to alter the gut microbiome, which, in theory, could make cells in the gut more likely to turn cancerous.The next step in the research is determining whether any of these hypotheses appear to have a causal effect on who develops colorectal cancer at a young age. It’s likely part of the puzzle, Chan said.“One thing that has been clear is that the U.S. intake of ultra-processed food has really risen in the past few decades in a way that mirrors the staggering increase in colorectal cancer cases,” he said.Kaitlin SullivanKaitlin Sullivan is a contributor for NBCNews.com who has worked with NBC News Investigations. She reports on health, science and the environment and is a graduate of the Craig Newmark Graduate School of Journalism at City University of New York.
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Sept. 27, 2025, 2:07 PM EDTBy Kelly O’Donnell and Alexandra MarquezAt least 15 FBI agents were fired Friday in connection with their actions during the protests that followed the death of George Floyd, a source familiar with the terminations told NBC News.The agents had been assigned to help secure federal buildings during the demonstrations, when a tense standoff developed between a large crowd of protesters and a limited number of FBI personnel. Some agents were photographed kneeling, which the source described as a tactic meant to de-escalate the conflict.Protests erupted nationwide in 2020 after Floyd, a 46-year-old Black man, was killed by a Minneapolis police officer who knelt on his neck for more than nine minutes. The murder, captured on video, fueled demonstrations that called for racial justice and police accountability.The FBI declined to comment on the firings, citing personnel matters. The FBI Agents Association said in a statement that it “strongly condemn[s]” the firings as “unlawful,” saying they violated “the due process rights of those who risk their lives to protect our country.”The association sharply criticized Patel, accusing him of breaking the law with these and other firings at the FBI in recent months.“Leaders uphold the law — they don’t repeatedly break it. They respect due process, rather than hide from it,” the FBIAA statement said. “Patel’s dangerous new pattern of actions are weakening the Bureau because they eliminate valuable expertise and damage trust between leadership and the workforce, and make it harder to recruit and retain skilled agents — ultimately putting our nation at greater risk.”Police officers from Ferguson, Mo., join protesters to remember George Floyd by taking a knee in the parking lot of the police station on May 30, 2020.Robert Cohen / St. Louis Post-Dispatch via APThese firings come just weeks after three former top FBI officials sued Patel and Attorney General Pam Bondi, alleging that Patel fired them to stay in President Donald Trump’s good graces.One of them, former acting FBI Director Brian Driscoll, said in August that he was not given a reason for his termination, though he served the agency for almost 20 years.Earlier this year, Driscoll spoke out against the Trump administration’s efforts to fire agents who had worked on cases involving participants in the Jan. 6, 2021, attack on the U.S. Capitol.At the time, Driscoll said he’d also refused a request from senior administration officials to provide a list of every FBI employee who investigated Jan. 6 rioters.One of the president’s first executive orders at the start of his second term was to pardon roughly 1,500 criminal defendants who had been charged for their role in the Jan. 6 attack on the Capitol.During testimony before the Senate Judiciary Committee earlier this month, Patel defended the firings. He said the FBI “will only bring cases that are based in fact and law and have a legal basis to do so, and anyone that does otherwise will not be employed at the FBI.”Kelly O’DonnellKelly O’Donnell is Senior White House correspondent for NBC News.Alexandra MarquezAlexandra Marquez is a politics reporter for NBC News.
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