Cytokines: A broad spectrum of proteins and biological substances integral to the processes of intracellular signaling. They impact gene expression and bodily functions.

Fine particulate matter: An air pollutant that is emitted during fuel combustion, typically associated with power, heating, and vehicular emissions. Pollution from pm2.5 (a small fine particulate matter) may lead to cancer, asthma, and various respiratory illnesses.

Induction: The period between the exposure of a disease and its biological onset.

Kawasaki syndrome: A disease that may appear in small children which causes inflammation of blood vessels and manifests as rashes, swelling, and heart damage.

Latency: The period between the biological onset of a disease and its clinical manifestations.

Long Haul COVID: Corona virus symptoms that are prolonged even after the virus’ biological discontinuation. Many have reported symptoms of fatigue, shortness of breath, and lack of concentration even after the recovery period.

Parkinson’s: A brain disorder leading to tremors, muscular dysfunction and problems with mobile coordination and speech.

SARS: Severe acute respiratory syndrome including fever, dry cough, and difficulty breathing. It may be offset by the coronavirus.

Vesicle: A small cellular structure forming during the secretion, uptake, and transport cellular processes which can be either intracellular or extracellular.