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Top viewed medical news articles: February 2026

March 3, 2026

Most levothyroxine‑treated patients fall outside standard TSH ranges

(Clin Endocrinol)—Prior research suggests that many levothyroxine‑treated patients still fall outside the hormone ranges typical of untreated individuals ... Read more

Long sleeves, hidden risks: Hospital attire often harbors bacteria

(Infect Control Hosp Epidemiol)—Contamination of healthcare worker clothing has long raised concerns about infection transmission, but real-world data on sleeve contamination have been limited … Read more

Plant-based nitrate tied to lower dementia risk, while animal and water sources signal harm

(Alzheimers Dement)—Dietary nitrate can support vascular and neurologic function, but its health impact varies widely by source … Read more

AAP releases 2026 pediatric immunization schedule, diverging from CDC guidance

(AAP)—The guidance is largely unchanged from prior American Academy of Pediatrics (AAP) recommendations ... Read more

Six menopausal hormone therapies receive first round of FDA-approved label updates

(FDA)—The relabeling removes boxed warnings on cardiovascular disease, breast cancer, and probable dementia following FDA’s comprehensive evidence review … Read more