Glossary
Scientific definitions, with sources and limits.
Last updated
Exposome
- The exposome is a framework for studying environmental and other non-genetic exposures across life, alongside the genome. It is not a single diagnostic test.
Epigenetics
- Epigenetics studies regulation of gene activity without necessarily changing the DNA sequence. DNA methylation is one mechanism studied in exposure research; an observed association does not by itself establish causation.
- National Human Genome Research Institute. Epigenomics Fact Sheet, updated 16 August 2020.
- Colwell ML, Townsel C, Petroff RL, Goodrich JM, Dolinoy DC. Epigenetics and the exposome: DNA methylation as a proxy for health impacts of prenatal environmental exposures. Exposome. 2023;3(1):osad001. doi:10.1093/exposome/osad001.
Endocrine-disrupting chemicals
- Endocrine-disrupting chemicals can interfere with hormone systems. Hazard, actual exposure and demonstrated health risk must be distinguished; a product category or the detection of a chemical does not establish an individual diagnosis.
Heat stress
- Heat stress concerns the burden heat places on the body. Exposure, work, health and access to cooling affect vulnerability; a weather forecast is not a measurement of personal dose or a clinical diagnosis.
Dust and air quality
- Monitoring describes observed conditions, while forecasts estimate future conditions. Neither alone determines personal exposure. Annual PM2.5 indicators describe a different timescale from a daily index.
- UAE National Center of Meteorology. National Air Quality Platform: air-quality monitoring, warnings and Dust Forecast Model. Accessed 8 October 2026; dynamic service, not an archived observation.
- UAE Government portal. Air: official overview of real-time national air-quality monitoring and the AQI. Updated 7 September 2026.
- World Health Organization Global Health Observatory. Concentrations of fine particulate matter (PM2.5), indicator details.
Epigenetic clocks
- An epigenetic clock is a statistical model using DNA methylation patterns to estimate age-related variation. It is not a complete exposure history, a diagnosis or proof that a product reverses ageing.
Water security
- Water security connects water access and reliability with infrastructure, food, energy and health. Policy priorities frame questions; they do not by themselves demonstrate measured exposure or improved health outcomes.
Women’s health and exposure research
- Life stage, pregnancy, work and daily environments can shape research questions about women’s health. Exposure, epigenetic markers and reproductive outcomes remain separate evidence unless a study directly connects them.
Genetic testing
- Genetic testing investigates DNA variation for defined clinical or research purposes. Exposome research investigates environmental and other non-genetic exposures. Neither automatically replaces the other; interpretation requires attention to validation, purpose and clinical context.
Core questions
What is the exposome?
The exposome is a framework for studying environmental and other non-genetic exposures across life, alongside the genome. It is not a single diagnostic test.
What is epigenetics?
Epigenetics studies regulation of gene activity without necessarily changing the DNA sequence. DNA methylation is one mechanism studied in exposure research; an observed association does not by itself establish causation.
What are endocrine disruptors?
Endocrine-disrupting chemicals can interfere with hormone systems. Hazard, actual exposure and demonstrated health risk must be distinguished; a product category or the detection of a chemical does not establish an individual diagnosis.
What is heat stress?
Heat stress concerns the burden heat places on the body. Exposure, work, health and access to cooling affect vulnerability; a weather forecast is not a measurement of personal dose or a clinical diagnosis.
How do dust forecasts differ from air-quality measurements?
Monitoring describes observed conditions, while forecasts estimate future conditions. Neither alone determines personal exposure. Annual PM2.5 indicators describe a different timescale from a daily index.
What is an epigenetic clock?
An epigenetic clock is a statistical model using DNA methylation patterns to estimate age-related variation. It is not a complete exposure history, a diagnosis or proof that a product reverses ageing.
How is GCC water security related to health?
Water security connects water access and reliability with infrastructure, food, energy and health. Policy priorities frame questions; they do not by themselves demonstrate measured exposure or improved health outcomes.
How can exposome research inform women’s health?
Life stage, pregnancy, work and daily environments can shape research questions about women’s health. Exposure, epigenetic markers and reproductive outcomes remain separate evidence unless a study directly connects them.
How does genetic testing differ from exposome research?
Genetic testing investigates DNA variation for defined clinical or research purposes. Exposome research investigates environmental and other non-genetic exposures. Neither automatically replaces the other; interpretation requires attention to validation, purpose and clinical context.
Research context, not medical advice or an independently reviewed clinical recommendation.