Balsamic Vinegar of Modena PGI is made from grape âmustâ that is partially fermented and/or boiled and/or concentrated by adding a quantity of vinegar aged for at least 10 years and with the addition of at least 10% of vinegar produced from the acidification of wine only.
Synovitis is a condition that develops when a joint lining (synovial membrane) becomes irritated and inflamed. Each synovial joint (diarthrosis) is enclosed in a capsule lined with membrane tissue known as the synovium or synovial membrane.
Inflammation of the synovial membrane that lines a synovial joint; results in pain and swelling - (Source-WordNet 2.1). Synovitis is listed as a  rare disease  by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Synovitis, or a subtype of Synovitis, affects less than 200,000 people in the US population.