Thymus health may predict longevity and cancer outcomes

June 01, 2026

Reported by AI

New research from Mass General Brigham shows that the thymus, a small organ once thought irrelevant in adults, strongly influences lifespan and disease risk. Using AI on CT scans, scientists linked better thymic health to lower risks of death and cancer progression.

Researchers examined CT scans from more than 25,000 adults in a lung cancer screening trial and over 2,500 participants in the Framingham Heart Study. They developed a thymic health score based on the organ's size, structure, and composition. Adults with higher scores had about a 50 percent lower risk of death from any cause, a 63 percent lower risk of cardiovascular death, and a 36 percent lower risk of lung cancer.

Illustration of young non-smoking lung cancer patient enjoying high-quality healthy diet of fruits, vegetables, and whole grains, with charts showing above-average scores and subtle pesticide exposure hints.

Study of young lung cancer patients finds unexpectedly high diet-quality scores; researchers probe possible pesticide exposure

April 18, 2026 Reported by AI Image generated by AI Fact checked

Preliminary research from USC Norris Comprehensive Cancer Center, presented at the American Association for Cancer Research (AACR) annual meeting, found that non-smokers diagnosed with lung cancer before age 50 reported eating more fruits, vegetables and whole grains—and had higher overall Healthy Eating Index scores—than the U.S. population average. The researchers emphasized that the results do not prove diet causes lung cancer and said a possible explanation could involve environmental exposures such as pesticides, a hypothesis that requires direct testing.

Severe COVID or flu may raise lung cancer risk years later

New research indicates that severe cases of COVID-19 or influenza can alter lung immune cells, potentially increasing cancer risk months or years afterward. The study, conducted by scientists at the University of Virginia, highlights the role of chronic inflammation in this process and emphasizes vaccination as a preventive measure. Findings suggest closer monitoring for affected patients to enable early detection.

Genes account for half of human lifespan variation, study shows

April 13, 2026 Reported by AI

Researchers at Israel's Weizmann Institute of Science have determined that genetics explain about 50% of differences in human lifespan, far more than previously estimated. The finding, published in the journal Science, challenges earlier views that placed genetic influence at 20-25% or less. By analyzing twin data and filtering out external death causes, the team uncovered this stronger hereditary role.

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Thymus health may predict longevity and cancer outcomes

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