Why it isn't good to use plastic bottle several times.

If the same bottle again complement with tap water and cool it in the refrigerator, according to new research, you are endangering your health.

Site that evaluates equipment for fitness "Treadmill review" analyzed how the bacteria remains on the bottles of water, and the results showed that the plastic is worst .

Many of us buy bottled water, and then use the bottle the next few days. While this saves money and preserves the environment, the habit, according to the team Treadmill, it is bad for health. Specifically, the team swabbed with 12 bottles of water for reusable, which where used by athletes, sent for laboratory analysis, and the findings showed that the bottles contained a huge number of bacteria, more than 300,000 forming units per square centimeter.

"If we compare the level of identification used water from the bottle, then we say that the language of the laity is on a hundred times worse than if you licked your dog toys," says the team. Results varied depending on the type of bottles. Bottles with sliding cap contained the highest number of bacteria.

For them, the bottles to be closed by the pressure and ordinary bottle screw cap. Bottle through a straw proved to be "the cleanest" but researchers say that they have only two units per square centimeter less than the average household larger-ce cups. Treadmill recommended bottles or bottles made of stainless steel, which should be washed as often as possible.