August 01, 2025

Consistent or Increasing Physical Activity Across Adulthood Linked to Lower Mortality

This large meta-analysis on physical activity patterns and mortality—encompassing 85 prospective cohort studies—shows that consistent or increasing physical activity during adulthood is associated with lower all-cause and cardiovascular mortality risk.

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July 31, 2025

Trial Tests Fixed Nitrous Oxide for Dental Scaling

Researchers aim to improve dental patient care by testing a fixed nitrous oxide–oxygen mix to address anxiety and discomfort during routine ultrasonic scaling procedures.

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July 24, 2025

HHS Ends Thimerosal Use in Flu Vaccines

The U.S. Department of Health and Human Services has adopted a CDC advisory panel recommendation to remove thimerosal from all influenza vaccines, transitioning entirely to mercury-free, single-dose formulations.

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July 23, 2025

Mouth Taping Shows Limited Benefit, Possible Risk

A review of 10 studies with 233 patients found limited benefits and potential safety risks associated with mouth taping for obstructive sleep apnea and mouth breathing during sleep.

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July 23, 2025

Medical Oddities: The Physics Behind Frown Lines

The physics of aging skin, herbal cancer hacks, a nasal fix for sniffles and more this week!

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July 17, 2025

Nirsevimab Shows 83% Efficacy Over 6 Months

A large clinical trial in Europe showed that a single dose of nirsevimab reduced infant hospitalizations for RSV-associated lower respiratory tract infections by over 80% over a six-month period.

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July 17, 2025

Cancer History Linked to Severe COVID-19, Study 

Adult childhood cancer survivors had a higher risk of severe COVID-19 despite lower infection rates and higher vaccination coverage.

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July 10, 2025

1 in 4 U.S. Infants Missing Bifidobacterium: Study

Babies who lacked this key gut bacteria were at an increased risk of eczema, allergies, and asthma by age 2.

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July 11, 2025

Small Air Pollution Increases Linked to Fibrosis

A large imaging study found that even small increases in long-term exposure to fine particulate air pollution were linked to higher levels of myocardial fibrosis, a known marker of adverse heart remodeling, in both healthy individuals and patients with dilated cardiomyopathy.

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