Cancer and cancer treatment can make a person more susceptible to infection and increase the risk of gum disease. Alcohol affects oral defense mechanisms. Stress impairs the body's immune response to bacterial invasion.
Magnetometry. Detailed magnetic survey known as magnetometry is an effective and efficient geophysical survey technique used to define areas of past human activity by mapping spatial variations and contrast in the magnetic properties of soil, subsoil and bedrock.
Telemetry is an electronic system designed to monitor a patient's heart activity. The heart is an electrical system and the monitors pick up cardiac activity, displaying it in electrical patterns on a computer screen for medical staff to see.