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- Indexed articles, last 90 days
- 3
- Latest publication
- Sep 4, 2026
- Outlet visibility, for LiveScience
- Top 50K sites
- Earliest in this view
- Jul 20, 2026
Latest articles
Aging doesn't look the same for everyone at the molecular level — it's 'individualized and context-dependent' (opens the original)
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People who are the exact same chronological age can undergo very different molecular changes as they grow older, a new study finds. "Molecular aging is dynamic and unique to each person," said study co-author Julia El-Sayed Moustafa, a computational genomics researcher at King's College London. Even if you and your friend were born the same day, the activity of some of your genes might ramp up while the same genes in your friend dial down. The same is true for metabolites, which are small molecu
Bacterial 'postbiotic' may help preserve fertility in the aging uterus, preliminary research suggests (opens the original)
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Bolstering a type of bacteria that lives in the uterus may help counter age-related changes that can make it harder to get pregnant, a new study suggests. While fertility decline is often linked to changes in egg number or quality, the uterus also becomes less receptive to an implanting embryo with age. The new research suggests that changes in the bacteria living there may be part of the reason. In experiments, treating aged mice and lab-grown human uterine cells with a specific species of Lact
The bacteria behind gum disease may also harm your heart valves, early research suggests (opens the original)
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A common culprit behind severe gum disease may also stiffen and narrow the heart's aortic valve, preliminary research suggests. This may help explain links between gum problems and poor heart health. Scientists have long linked severe gum disease to inflammation throughout the body and a higher risk of heart problems, including coronary artery disease, which can raise the risk of heart attack. Studies have also found that treating gum disease can improve blood-vessel health. Now, researchers sug
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