Silver Profits In Water

Numismatic News - The antibacterial properties of silver were known 2,000 years ago. Back in the days of the Roman Empire, people knew enough to throw silver coins into water cisterns as a low tech way to kill germs - despite not yet understanding the scientific mechanism of why this made water safer to drink.

There have been portable and household water filters on the market for decades that use silver ions to kill bacteria. Research has determined that silver destroys bacteria by a physical process. What that means is that bacteria cannot mutate to become immune to destruction by silver. Such mutations render most antibiotics relatively ineffective over time.

At an American Legion convention in Philadelphia in July 1976, more than 200 people became sick and 34 died from a germ in the water supply now labeled Legionella bacteria. Because of this outbreak, the malady is called Legionnaire's Disease. This germ does not harm normally healthy people but causes respiratory distress among people with compromised immune systems. The disease can be contracted by drinking the infected water if it accidentally goes down the windpipe or by breathing in small water droplets suspended in the air.

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