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Metabolic dysfunction-associated steatotic liver disease (MASLD) is primarily driven by a Western-style diet and exacerbated with aging, yet underlying mechanisms remain unclear. Given the essential role of thyroid hormone (TH) in MASLD progression, we hypothesized that impaired intrahepatic TH action during aging promotes MASLD progression and severity of MASH with fibrosis. We evaluated hepatic TH metabolism in young (18-24 weeks) and old (108-120 weeks) C57BL/6J mice fed either a normal chow...

CONCLUSIONS: Polypharmacy and multimorbidity represent substantial gross population-level burdens in rural Thai older adults. These findings apply specifically to older adults accessing outpatient services at secondary hospitals in the 8th Health Service Region and should not be generalized to the entire rural older adult population. High prevalence of potentially inappropriate medications indicates urgent need for medication optimization interventions. Diabetes emerges as the leading disease...

This correspondence offers a methodological reflection on the cross-sectional study by Darabi and colleagues, which examines loneliness and social support in older Iranian adults with cardiovascular disease. The study addresses an important gap in Middle Eastern aging research. However, the reported positive correlation between loneliness and social support invites closer methodological consideration. We invite readers to consider four methodological aspects: whether shared method variance may...

Battling darkness and cold, researchers on a drifting laboratory will probe the biology of the Arctic Ocean

A minimally invasive treatment called GAE is helping people with chronic knee pain get back to gardening, cycling, and other activities without undergoing knee replacement surgery. Early studies suggest the procedure can provide years of relief by reducing inflammation inside the joint.

A new review suggests that doing more exercise and eating more protein than current minimum recommendations may help people stay stronger, sharper, and more independent as they age. The goal isn't building a beach body—it's extending healthspan and maintaining the ability to fully enjoy life for decades longer.

A clinical trial is exploring whether high doses of vitamin B3 could give patients with glioblastoma a better chance against the aggressive brain cancer. Scientists found that niacin may help revive immune cells that tumors shut down, allowing them to attack cancer more effectively. Early results have been promising, with patients showing significantly better progression-free survival than expected.

Unexpected shift in funds has meant sharp drop in grants this fiscal year