Reusing plastic water bottles can be harmful to your health and the environment. Plastic water bottles are designed for single use only and are made from polyethylene terephthalate (PET) which can leach chemicals into the water when exposed to heat, light, or repeated washing. Reusing plastic water bottles can lead to the growth of bacteria, mold, and yeast, causing unpleasant tastes and odors. Moreover, the chemicals that leach from the plastic can cause hormonal imbalances, cancer, and reproductive issues. It's recommended to use glass or stainless steel water bottles instead, which are safer and more eco-friendly. For more information, visit wellhealthorganic.com know why not to reuse plastic water bottles know its reason in hindi