Medical apparatus, to be used directly on patients, for measuring, transmitting and receiving diabetes-related information and patient health-related information through a cellular phone, the global computer network, and radio frequency technologies, namely, pagers, telephones, wireless data networks, messaging units, personal digital assistants, and satellite communication; and a system, to be used directly on patients, for transmission and reception of diabetes-related information to and from a central database, said system being comprised of a glucose monitor, computer software and hardware, and radio frequency technology-based equipment, namely, cellular telephones, pagers, telephones, wireless data networks, messaging units, personal digital assistants, and satellite communication