In addition to the neurological and behavioral consequences of methamphetamine abuse, long-term users also suffer physical effects, including weight loss, severe tooth decay and tooth loss (âmeth mouthâ), and skin sores.
(The term biometrics is derived from the Greek words bio meaning life and metric meaning to measure.) There are two main types of biometric identifiers: Physiological characteristics: The shape or composition of the body. Behavioral characteristics: The behavior of a person. Examples of physiological characteristics used for biometric authentication include fingerprints; DNA; face, hand, retina or ear features; and odor.
The specific nature of todayâs biometric systems is associated with a specific use of the term biometrics.. In general, biometrics is any use of biological data in technology. Biometric systems focusing exclusively on the identification of humans have become the major kind of biometric system in todayâs IT world.