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 automated communications process by which measurements are made and other data collected at remote or inaccessible points and transmitted to receiving equipment for monitoring. The word is derived from Greek roots: tele = remote, and metron = measure. Systems that need external instructions and data to operate require the counterpart of telemetry, telecommand.