The current conditions of serum uric acid concentrations in parts of the middle-aged and elderly population of Shenyang;

Study on prevalence rates and daily activity of hip fracture in the middle－aged and elderly population in China;

Analysis of Mortality in the Elderly with Impaired Glucose Metabolism;

Analysis of the Prevalence and Inddence of Coronary Heart Disease and Associated Risk Factors in the Elderly with Impaired Glucose Metabolism;

Epidemiological study on quality of life among retired elderly population in Hefei;

Seroepidemiologic study on Helicobacter pylori infection of aged people in Beijing;

But it is still unknown that if these vitamines can influence the levels of lipids metabolism and liver function when aged people supplement these antioxide vitamines.

Relations between trace elements in drinking water and elderly residents cognitive function;

Relationship between elderly residents’ cognitive function and the aluminium contents of drinking water and hair in Guangxi bauxite district;

ObjectiveTo investigate the exercise capability and the cardiovascular response at the rate of work on ergometry cycle at 70% maximal heart rate(MHR),in healthy middle-aged people(45-60 years old) and the elder people(≥60 years old ),and to offer the information of physical exercise for cardiopulmonary disease patients and formulate exercise prescription for healthy middle-aged and old people.

OBJECTIVE:To evaluate the effect of eyelid facelifting operation for middle-aged and old people.

Through observating the changes of the middle-aged and old people s body NK cell activity before and after six-month exercise of building-up Qigong—Wuqinxi, it probed into the effects of building-up Qigong on the regulatory function and mechanism of middle-aged and old people s body immune.