Source briefingJuly 4, 2026Research & Public Health
What do false positives and negatives have to do with screening tests for cancer? Elizabeth Tracey reports

Source digest: A blood test used for population based cancer screening fell short of allowing cancers to be detected earlier, was cost prohibitive and delayed diagnoses for others, a new study shows. Johns Hopkins Kimmel Cancer Center director William Nelson says both … What do false positives and negatives have to do with screening tests for cancer? Elizabeth Tracey reports…
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Genotype-informed docosahexaenoic acid dosing based on the FADS Indel to reduce preterm and prolonged gestation: A secondary analysis of the ADORE randomized trial
by Yan Ning Li, Kumar S. D. Kothapalli, Susan E. Carlson, Byron J. Gajewski, Emily A. DeFranco, J. Thomas Brenna Background Spontaneous early preterm…

Heart attack, stroke — and hip fractures
Endocrinologist discusses life-or-death stakes of weak bones and how to protect against devastating falls

Draft guideline on the requirements for demonstrating therapeutic equivalence for nasal products
Draft guideline on the requirements for demonstrating therapeutic equivalence for nasal products