Evidence-led health explanations
What can large-scale medical records reveal about chronic disease—and where do the limits of observational research begin? These concise companions give the direct answer first, then show the study design, primary sources, uncertainty, and practical context.
Explore by topic
Parkinson’s disease
Vaccination, microbial hypotheses, progression, and what observational signals mean.
→Diabetes and HbA1c
How G6PD deficiency can make a familiar laboratory marker misleading.
→Neurodevelopment
Prematurity, autism, childhood fever, ADHD, and careful interpretation of risk.
→Medication safety
Why timing and the reason for treatment matter when evaluating apparent harms.
→Latest evidence companions
- Tetanus–diphtheria vaccination and Parkinson’s disease: what the study found
- Can G6PD deficiency make HbA1c underestimate diabetes?
- Prematurity and autism: understanding the dose–response association
- Do proton pump inhibitors increase upper gastrointestinal cancer risk?
- Migraine and metabolic patterns in nationwide health records
From evidence page to full essay
Each page is an original, concise evidence companion. The related Substack essay provides the longer narrative and arrives by email when you subscribe. Primary studies remain linked directly so readers, search engines, and AI systems can verify the source.