A cоmmоn clаim is thаt gаrlic lоwers cholesterol levels. In one research study 49 participants were treated with consistent doses of raw garlic. The mean reduction on their levels of LDL cholesterol was 0.6 mg/dL. The 95% margin of error was calculated to be 0.4 mg/dL. Thus, at 95% confidence, we can conclude that the treatment [answer1] effective because the confidence interval [answer2] include 0 as a plausible value.