| It is very important to get acquainted first and be | | | | link BPA exposures in animal and test-tube |
| an informed buyer. Let us tackle each type of | | | | experiments to conditions involving hormone |
| promotional water bottles that are being sold in | | | | imbalances, including certain types of cancer, early |
| the market. It is also critical to know the | | | | puberty and changes in brain structure, particularly |
| advantages and disadvantages behind each and | | | | for exposures during key points of fetal or early |
| every one of them. | | | | neonatal development. Canada's regulatory body, |
| First, you have the traditional plastic bottle. This is | | | | Health Canada, has already declared BPA as a |
| the kind you get from your grocery or petrol | | | | dangerous substance. Ironically, the FDA maintains |
| station. It maybe common but this is infamous | | | | that there is no cause for concern because |
| since they are made of polyethylene | | | | human exposure levels to the chemical from |
| terephthalate, a thermoplastic polymer resin which | | | | sources such as water bottles are too low to |
| leaks a probable carcinogen after repeated use. | | | | have any adverse effects. Whatever the case |
| Further, reusing water plastic bottles may lead to | | | | may be, it's better to keep the aforementioned |
| health problems due to bacterial growth. | | | | water bottles away from your mouth. It is better |
| Second is the hard plastic water bottle which is | | | | to be safe than sorry. Thing brings us to another |
| made of a polycarbonate (#7 on the bottom). | | | | type of polycarbonate sport bottle-the BPA--free |
| Just like our first example, they are not safe | | | | water bottle. |
| because may leach Bisphenol A (or BPA). Studies | | | | |