Stable Isotope Ratios in Hair and Teeth Reflect Biologic Rhythms
Author Information
Author(s): Otto Appenzeller, Clifford Qualls, Franca Barbic, Raffaello Furlan, Alberto Porta
Primary Institution: New Mexico Health Enhancement and Marathon Clinics Research Foundation
Hypothesis
Can stable isotope ratios in hair and teeth provide insights into biologic rhythms and neurodegeneration?
Conclusion
The study suggests that analyzing stable isotope ratios in hair and teeth can serve as a diagnostic tool for neurodegenerative diseases.
Supporting Evidence
- Hair and teeth contain records of biologic rhythms that can indicate health status.
- The study found that stable isotope ratios in hair matched heart rate variability in living subjects.
- Isotope analysis can provide insights into the physiology of ancient people and animals.
Takeaway
Scientists found that the way isotopes in hair and teeth change over time can tell us about health and disease in people and animals.
Methodology
The study analyzed stable isotope ratios in hair and teeth from various subjects, including mummified humans and modern animals, to identify biologic rhythms.
Limitations
The study may not account for all variables affecting isotope ratios, such as environmental factors and individual health conditions.
Participant Demographics
Included mummified humans from South America, modern animals, and a patient with pure autonomic failure.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website