ETF Options Vs. Index Options
As with index options, some ETFs have attracted a great deal of options trading volume while the majority have attracted very little.
SPX Daily Outlook
Late in 2010 the peer-reviewed Journal of Obesity published a meta-analysis of studies testing the garcinia as a weight loss aid. Of the 23 trials they identified, 12 were methodologically sound enough to include in their analysis.
The analysis revealed that some statistically significant weight loss occurred, but the magnitude of the effect is small and the clinical relevance is uncertain.
They also found that gastrointestinal adverse events were twice as likely in the hydroxycitric acid group as in the placebo group.