Health News

Health News

The health headlines move fast and most coverage gets the science wrong. Every day, Dr. Ravi Kumar, MD, a board-certified neurosurgeon, cuts through the noise: what a new study or story actually says, what it doesn’t, and what it means for you. Researched, sourced, and reviewed before it’s published.

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Half of delta-8 Instagram posts use youth appeals

A content analysis of 837 Instagram posts from the nine leading intoxicating hemp brands found youth-oriented imagery in 49.6% and health or age warnings in 2.5%, weeks before a federal ban on these products is scheduled to start.

Gloved hand holding a labeled blood collection tube beside a rack of samples on a clinic bench in soft daylight

Only 27% of US adults are immune to hepatitis B

A new NHANES analysis of 13,514 adults found that serologic protection against hepatitis B and hepatitis A is lowest in the patients who need it most, four years after the vaccine was recommended for every adult under 60.

A hazy city skyline at dusk seen from a residential window, with soft orange light and a blur of traffic below

Air pollution left blood marks years before lung cancer

A new Nature Communications study found eight molecules in stored blood that tracked both with air pollution exposure and with a later lung cancer diagnosis, but the finding says more about who screening misses than about any test you could order.

Older adult having a relaxed check-up conversation with a doctor in a bright sunlit office with warm wood tones

Newer blood thinners tied to slower Alzheimer's decline

A Swedish nationwide registry study of 7,308 people with both atrial fibrillation and Alzheimer's disease found that those on newer anticoagulants declined more slowly on a standard memory test, and had fewer strokes, fractures and deaths, than those on no blood thinner at all.

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Ultra-processed food tied to higher prostate cancer risk

A Florida Atlantic University analysis of 17,024 US men found that those getting more of their calories from ultra-processed foods reported prostate cancer 29% more often, though the survey design cannot show which came first.

A child sitting at a kitchen table with a laptop and a notebook in soft afternoon light, a glass of water and a houseplant nearby

Online CBT for anxious kids held up at two years

A Finnish trial of 465 screened children found that a 10-module internet CBT program with weekly telephone coaching still beat digital psychoeducation on child-reported anxiety 24 months after randomization, though the effect was modest and the parent-reported gap shrank.

A parent holding a young child on their lap in a bright pediatric exam room with soft natural light

Order cuts childhood vaccine list to 11 and splits MMR

The order sorts childhood vaccines into three tiers, moves hepatitis B, rotavirus, meningococcal, flu and COVID out of the universal list, and asks for a split MMR shot that no company currently makes in the United States.