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  • New pancreatic cancer treatment ‘wakes up’ immune cells, researchers say

    Scientists have created a new antibody treatment that helps the immune system recognize and attack pancreatic cancer. “Pancreatic cancer is notoriously good at hiding from the immune system, but we were struck that a single sugar, called sialic acid, can so powerfully fool immune cells,” senior author Mohamed Abdel-Mohsen, associate professor of medicine in the…

  • Is Melatonin Bad for Your Heart? Here’s What to Know.

    This week, a series of headlines warned about the potential risks of taking the sleep supplement melatonin, saying new research had linked it to a 90 percent increase in heart failure. The research is from an unpublished study set to be presented at the American Heart Association’s scientific conference in New Orleans next week. It…

  • Everyone’s buzzing about the blood test that detects 50 types of cancer. I tried it.

    I took the Galleri multi-cancer early detection (MCED) test about a year ago in 2024 as part of my longevity-focused stay at Canyon Ranch, a luxury wellness retreat in Tucson, Arizona. Galleri – which costs $949, and is not currently FDA-approved – is a blood test that studies DNA fragments shed into the bloodstream. Patients…

  • Sleep expert explains when melatonin helps — and when it can do more harm

    After a new study linked melatonin to possible heart health risks, “ChicagoLIVE” speaks with sleep medicine specialist, Kelly Gill, MD, from Northwestern University about what the research really means. She explains when melatonin can be helpful, why timing and dosage matter more than strength, and how high doses may do more harm than good.

  • Dick Cheney had five heart attacks. Here’s how science helped him live until 84.

    As many reflect on the life of former Vice President Dick Cheney and his political legacy, others marvel at his longevity. Despite five heart attacks, multiple surgeries and a heart transplant, Cheney still lived a long life and died surrounded by his wife, daughters and other family members Nov. 3 at age 84. “Modern medicine…

  • New study links melatonin and heart failure, but experts say don’t panic yet

    A study that reviewed health records for tens of thousands of adults with chronic insomnia found that people who took prescribed melatonin for more than a year had a higher chance of heart failure over five years compared with people who were identified as nonusers, the American Heart Association announced Monday. “It’s difficult because many…

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