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When the stomach contents such as food or liquid that consist of gastric acid leak backwards from the stomach into the esophagus (the tube from the mouth to the stomach). This is call acid reflux or in medical term Gastroesophageal reflux disease (GERD). This action can irritate the esophagus, causing heartburn and other symptoms. At the entrance to your stomach is a valve, which is a ring of muscle called the lower esophageal sphincter (LES). Normally, the LES closes as soon as food passes through it. If the LES doesn't close all the way or if it opens too often, acid produced by your stomach can move up into your esophagus.

Alpha-lipoic acid is a more suitable supplement for marathon athletes who want to lose weight than for bodybuilders and strength athletes, according to an animal study conducted by China's agricultural university. Most of the alpha-lipoic acid present in our organisms was produced by our own cells. We only get a minimal amount from the food we eat. The best source are organs with a high metabolic ratio, such as the kidneys, heart and liver.

A new study funded in part by the Agricultural Research Service (ARS) suggests that neutralizing an acid-producing diet may be an important key to reducing bone breakdown, or "turnover," while aging. The study comes on the heels of several ARS-reported studies suggesting that consuming more-than-recommended amounts of calcium may not be the main answer to protecting bone.

The benefits of fatty dairy products seem to go beyond being a good source of calcium and they may need to be part of a diet for diabetes type 2 as well as a measure to prevent this disease. A new study by Harvard School of Public Health has shown that a fat found in dairy products reduces the risk of developing type 2 diabetes. This fat is called "trans-palmitoleic acid" and is a fat that our bodies cannot produce.