This study is a quasi-experimental research. Objective to compare the body mass index of nursing students in overweight in the experimental group. Before and after drinking tea, flowers, grass, white.The sample were overweight By means of simple random sampling (Simple Random Sampling) by way of drawing from those with property, is body mass index exceeds the threshold.60 people by the experimental group and the control group. 30 people 30. The data were collected using a questionnaire composed of 3 parts is 1) personal information. 2) health information 3) opinions about tea, flowers, grass, white.3 you and test the reliability of the engine by a trial (Thy out) calculated coefficient of แอลฟาตาม method Cronbach (Cronbach s. ' Alpha coefficient) reliability experiments using 0.67 and analyzed by using the computer program. In the calculation of statistical frequency, percentage, standard deviation and mean. Use data to explain.(Dependent t-test) and analyze the data comparison of body mass index between the experimental group and the control group by using statistical t-test (Independent. T-test).
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