Dangerous bacteria start growing in plastic bottles. Due to this, if many people drink water from the same bottle, then the bacteria on the bottle will spread from one person to another. The most scary thing is that the growth of bacteria on the bottle increases anxiety for people. If many people are drinking water from the same bottle, then the risk of cancer can increase significantly. If you are drinking water in a plastic bottle, then substances like lead, cadmium and mercury present in it cause serious diseases in the body. Due to which cancer, disability, disturbance in the immune system starts. 

Respiratory illness

If a person has a respiratory disease, he should not use someone else's bottle. Using someone else's bottle puts that person at risk of getting a B infection. 

Oral Infection

People with oral infection should keep their own separate bottle. If someone else uses their bottle, they should be stopped and should not be allowed to use someone else's bottle. This can cause many problems.

Risk of infertility, liver diseases

One should never drink water by sharing plastic bottles with each other. Regarding its use, experts say that when a plastic water bottle comes in contact with heat, it starts releasing micro plastic in the water. These micro plastic particles can give rise to many problems in the body. Its high quantity can increase the risk of hormonal imbalance, infertility and liver related diseases.

 If you keep a plastic bottle for a long time and keep using it, it can cause serious problems like hormonal imbalance. According to experts, if you use plastic bottles for a long time, then the sperm count in men can decrease. At the same time, girls are likely to reach puberty early. The use of bottled water also increases the risk of liver and breast cancer.