Vinegar has been used as medicine and an antiseptic for thousands of years

Tips and hints on the use of vinegar - health benefits - medicinal properties

The health benefits of the apple cider vinegar originates of course from the apple, which has long been known as a nutritional powerhouse. It contains many vitamins, minerals, antioxidants, and dietary fiber, while at the same time having very little fat and sodium.

Apple cider vinegar, made from whole apples and not pasteurized or filtered, will also contain all these nutrients plus the many enzymes and organic acids produced during the two fermentations needed to make the vinegar. Many experts believe that these extra fermentation products are important elements in apple cider vinegar's health benefits and weight loss properties.
http://www.apple-cider-vinegar-benefits.com/apple-cider-vinegar-health-benefits.html

Nutritional quantities found in a medium apple (138g)
Calories	Water	Carbohydrates	Protein	Fat	Dietary Fiber	Vitamin A	Vitamin C
81	115.8 g	21.1 g	0.3 g	0.5 g	2.8 g	74 IU	8 mg
Vitamin B1	Vitamin B2	Vitamin B6	Folic Acid	Niacin	Pantothenic	Sodium	Calcium
0.02 mg	0.02 mg	0.07 mg	4 microg	0.1 mg	0.08 mg	1 mg	10 mg
Magnesium	Zinc	Manganese	Potassium	Phosphorus	Iron	Copper
6 mg	0.05 mg	0.06 mg	159 mg	10 mg	0.25 mg	0.06 mg
The values indicated are the averages of different analysis performed, therefore they are meant as reference and general values only. It can occur that the values pertaining to the product that you consume differ to them indicated in this table.

What vinegar can do for you:
Vinegar is rich in enzymes and potassium, its a natural antibiotic germ fighter, fights E Coli and other bacteria, and yeast (candida). Vinegar helps control and normalize weight, it improves digestion and assimilation, relieves arthritis stiffness and relieves dry sore throats. Vinegar helps in removing body sludge toxins and it reduces cholesterol. Vinegar helps maintain healthy skin, promotes youthful, healthy bodies, soothes pain of sunburn, prevents dandruff, itching scalp, baldness. Vinegar soothes tight aching joints, sore muscles and helps against nail fungus...
http://www.leaflady.org/healing_with_vinegar.htm

Vinegar is made from the oxidation of ethanol...

...in wine, cider, beer, fermented fruit juice, or nearly any other liquid containing alcohol. Commercial vinegar is produced either by fast or slow fermentation processes. Slow methods are generally used with traditional vinegars and fermentation proceeds slowly over the course of weeks or months. The longer fermentation period allows for the accumulation of a nontoxic slime composed of acetic acid bacteria and soluble cellulose, known as the mother of vinegar.
http://en.wikipedia.org/wiki/Vinegar

The use for vinegar - Tips and hints

Relieve itching by using a cotton ball to dab mosquito and other bug bites with Vinegar straight from the bottle - Relieve sunburn by lightly rubbing it with vinegar - Clean rust from tools, bolts, and spigots. Soak the rusted tool, bolt, or spigot in undiluted vinegar overnight - Prolong the life of flowers in a vase. Add two tablespoons of vinegar plus three tablespoons of sugar per quart of warm water. Stems should be in three to four inches of water - Stubborn stains can be removed from the toilet by spraying them with vinegar and brushing vigorously. The bowl may be deodorized by adding 3 cups of distilled vinegar. Allow it to remain for a half hour, then flush..... Read more.....
http://www.angelfire.com/cantina/homemaking/vinegar.html

The versatility of vinegar

The ancients were quick to find the remarkable versatility of vinegar. Around 5,000 BC, the Babylonians used it as a preservative and as a condiment, and it was they who began flavoring it with herbs and spices. Roman legionnaires used it as a beverage. Cleopatra demonstrated its solvent property by dissolving precious pearls in it to win a wager that she could consume a fortune in a single meal. Hippocrates extolled its medicinal qualities and, indeed, it was probably one of our earliest remedies. The Greeks also reportedly made pickled vegetables or meats using vinegar.
http://www.versatilevinegar.org/vinegarlore.html

Apple cider vinegar - alternative medicine

Apple cider vinegar contains a potent supply of potassium which researchers feel is helpful in easing the effects of common colds and allergies, including mucous formation, watery eyes, sinus and catarrhal problems. Cider vinegar can also be beneficial for symptoms such as tooth decay and splitting of the fingernails, which are symptoms of potassium deficiency. Potassium is essential for the replacement of worn-out tissues within the body. This mineral is also important to soft tissue repair, as calcium is to the bones and teeth. A deficiency of potassium within the body can produce callous formations on the souls of the feet, insufficient replacement of worn tissue, and hair loss.
http://www.bellaonline.com/articles/art8171.asp

The finest balsamic Vinegars are born in the lovely rolling hills of Modena...

...between the Secchia and Reno River valleys in the provincial northwest of Italy where barrels made from resinous woods give fine Balsamic Vinegars their unique flavor. Complex flavor in fine Balsamic Vinegar comes from this long and exacting aging. A variety of woods are used including durmast, chestnut, ash, cherry and mulberry. Balsamic vinegar makers keep a secret art in the matching and blending of resinous aromatic wood staves. One taste of a truly fine Balsamic will make clear why it is worth all the effort.
http://www.balsamic.com/