Is drinking water from a metal cup harmful to health?

Have shortcomings.

Coffee in a metal cup will dissolve. Metal cups, such as stainless steel, are more expensive than ceramic cups. Metal elements contained in enamel cups are usually stable, but they may be dissolved in acidic environment, so it is not safe to drink acidic drinks such as coffee and orange juice.

A cup unfit for drinking:

1, disposable paper cups or hidden potential carcinogens. Disposable paper cups just look hygienic and convenient, but in fact, the product qualification rate can't be judged, and whether it is clean or not can't be recognized by the naked eye. From the perspective of environmental protection, disposable paper cups should be used as little as possible.

2, plastic cups are the easiest to hide evil and accept evil. Plastic cups should also be a kind of unpopular. Because plasticizers are often added to plastics, plastics contain some toxic chemicals. When hot water or boiled water is filled in plastic cups, the toxic chemicals are easily diluted into water. There are many pores in the internal microstructure of plastics, which hide dirt. If it is not cleaned, bacteria can easily breed.

Extended data:

A cup suitable for drinking water:

The first choice for drinking water should be a glass. Don't think that glass is just transparent and beautiful. Among all the cups made of materials, the glass is the healthiest.

This kind of glass contains no organic chemicals in the firing process. When people drink water or other drinks from glasses, they don't have to worry about chemicals being drunk into their stomachs. Moreover, the glass surface is smooth and easy to clean, and bacteria and dirt are not easy to breed on the glass wall. Therefore, it is the healthiest and safest for people to drink the water in the glass.

References:

People's Network-What is the best cup for drinking water? These four cups are not suitable for drinking water.