The planar data in a scan line is often padded with extra data to align the scan line on an even byte boundary to prevent aliasing the "jaggies".
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They also found that gastrointestinal adverse events were twice as likely in the hydroxycitric acid group as in the placebo group. When you are considering the potential benefits of products look for meta-analysis studies that take in all the sound research available. One-off studies that get a significant result are not evidence of anything.