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.
Anthropometry is about body measurements such as body size, shape and strength. It is used to ensure that products, such as tools, fit and suit as many users as possible. See the anthropometry topic for more information. If you are designing a hand tool, you may need to consider the following measurements.