I know today's topic is scary. 

Calm, 

I am here to enlighten you not to leave you with a bag load of fear and worries.

You ready to learn?

Let's go.

First of all, let us take a quick look at how plastic water bottles are manufactured. 

I will quote GoPurePod a lot in this article. 

"The creation of plastic water bottles is the result of a manufacturing process where multiple raw materials are manipulated to create a shape ideal for holding liquids. In a raw state, plastic is composed of multiple organic polymers including polyethylene and ethylene. In a soft state, these materials can be shaped into the desired form for the bottle and then cast into a solid-state."

Bottled water is often depicted as being higher quality than tap water, the fact is that in many instances bottled water is glorified tap water. There is a general perception that bottled water is higher quality, more pristine water; and while people may feel safer drinking bottled water, that comfort may be an illusion.

Most bottled water comes from similar sources as your municipal water supply, meaning that there is likely nothing special about your bottled water other than its branding. Although some manufacturers put their water through additional filtering before bottling it, many do not and simply charge for the packaging.

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Don't get me wrong, some bottled water is great. Some are bottled from special springs. However, water that is bottled from special springs is rare, and the fact is that  In some cases, your bottled water may be less pure than what comes out of your tap at home you would likely get the purest drinking water by filtering your tap water at home (Lekki people cannot relate - winks).

A lot of research works proved bottled water is laced with harmful chemicals such as phthalates which have been linked to an increased risk of cancer. Additionally, plastic bottles contain bisphenol A (BPA), (an industrial chemical that has been used to make certain plastics and resins since the 1950s) which has been linked to various reproductive issues. This simply means that bottled water can increase the chance of cancer and the reusing of its bottles can lead to reproductive issues.

Disease in Adults

Exposure to the toxins in plastic water bottles has also been linked to higher rates of disease in adults. It has been found that people who drink a lot of bottled water, and in particular those who had high concentrations of BPA in their urine, were three times more likely to suffer from cardiovascular disease, and were 2.4 times more likely to develop Type 2 diabetes than individuals with low concentrations of BPA in their bodies.

Cancers, Liver and Kidney Damage

The primary risk associated with drinking bottled water is the fact that you can be exposed to harmful toxins from the plastic. Even though water is not acidic (unlike soda), whenever you drink out of a plastic bottle, you risk ingesting the chemicals used to make the bottles as these toxins can leach into the water over time. This is particularly common with older water bottles and/or those that have been exposed to heat. Plastic toxins can then make their way into your bloodstream, which can cause a host of problems including various cancers as well as liver and kidney damage. Unfortunately, at this time scientists do not fully understand all of the potential long-term effects of ingesting toxins through the consumption of bottled water; however, these toxins can accumulate in your system over the years leaving you prone to a variety of health problems.

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Fertility Issues & Disabilities in Children

Water through leaching plastic can cause a variety of chromosomal abnormalities that have been tied to birth defects and developmental disabilities in children. It is then often recommended that women do not drink bottled water (particularly water from Type 7 plastic bottles) when pregnant.

It Can Also Lead to Weight Gain

Both BPA and BHPF have been found to disrupt the hormones in our bodies. In particular, it is the effect both of these compounds have on the estrogen levels in both men and women that has been tied to weight management problems. Exposure to the compounds in plastic water bottles can ultimately influence the rate at which fat is stored in your body and where fat is stored, which can cause weight gain and difficulty losing weight.

Bacteria Infections

When you reuse bottles you risk additional chemicals and microplastics from the bottle entering your drinking water. Additionally, the shape of these bottles makes it nearly impossible to clean them, and the soft plastic they are made out of creates a perfect breeding ground for bacteria, which can make it hazardous to your health to reuse these bottles.

Plastic water bottles are specifically designed for single-use and therefore, reusing plastic water bottles has been shown to encourage bacteria growth and chemical leaching which is dangerous.

Assessing everything from extracting the raw materials (to make the bottles) to manufacturing, distribution, transport, usage, and disposal, it is obvious that table water is dangerous.

I hope you've learned a few things from this.