Dance or tai chi are good exercise options for healthy older persons, while frailer individuals might need physical therapy to guard against falls, she noted. Analyzing Medicare hospital admission data, a team of researchers found that hospital readmission rates among 190 Medicare beneficiaries varied widely by service delivery model. Speculating as to reasons for the observed wide variation in readmission rates, the study authors noted that while all groups studied had similar discharge protocols, HMO beneficiaries were initially authorized for only two home health care visits, while the FFS and dual-eligibles had no restrictions on these visits. Another contributing factor, the authors suggested, may be the generally shorter duration of initial hospital stays among HMO enrollees. Instead, he contends, the symbol derives from the symbol used by ancient Egyptians to signify the utchat, the eye of the ancient god Horus the Elder.
Egyptian legend holds that Horus had two eyes, the sun and the moon.
Set, the god of darkness and evil, stole the sun eye. The deity Thoth attempted to end the conflict, but Set kept battling and cut off pieces of Horus remaining moon eye, which Thoth renewed each month tidily explaining the lunar phases. Advent of immunization technology 6. Safer and healthier foods 2. Improvements in motor vehicle safety 7.