Water is the source of all life on earth. Without it, we would not be here to start with, and without it, we can not survive. In fact, depending on the conditions, a human being can not go more than a few days without water. The human body is composed of 60% water – in terms of weight. Water is needed for pretty much every bodily function, from flushing toxins to carrying nutrients, to digesting, you name it. But exactly how much water should you drink a day?
Let’s talk numbers
The generally accepted consensus is that a person should drink 8 glasses of 8-ounce a day. While this is a good guideline, some people might require more or less. This depends on how active you are, or where you live. For example, if you live in a hot region, you will sweat more, and need to rehydrate more often.
The American IOM (Institute of Medicine) has set the following guidelines on fluid intake:
• For men: 13 cups (about 3 liters)
• For women: 9 cups (a little over 2 liters)
• For pregnant women: 10 cups (about 2.3 liters)
• For breastfeeding women: 12 cups (a little under 3 liters)
These guidelines can, of course, be adjusted, depending on your own needs. IOM also estimates that about ⅕ of our intake comes from the food we eat. While coffee and tea have a bad reputation due to their diuretic properties, they do contribute to your fluid intake nonetheless.
In the case of young children and a pregnant woman, it is highly recommended to use a water filter, such as TAPP to remove traces of lead and other contaminants.
Bottled or tap water?
In the U.S, tap water is regulated by the EPA (Environmental Protection Agency). EPA defines a list of contaminants which need to be regulated in drinking water, in order to protect public health. For each one of these contaminants, EPA sets a limit amount of acceptable concentration in public water systems. These contaminant standards are required by the Safe Drinking Water Act (SDWA).
On the other hand, bottled water which is a packaged good, is regulated by the FDA. Although both the EPA and FDA have similar quality standards, FDA standards are looser in terms of how often bottled water needs to be tested and they do not require companies to share their test results with consumers.
There is no evidence that bottled water is healthiest. If anything, it is less regulated. In the U.S 45% of bottled water is just bottled tap water sold at a premium. For example, Dasani water is nothing more than glorified municipal tap water from Marietta, near Atlanta.
If you are worried about taste, lead, microplastics, or other contaminants – the cheapest and simplest solution is to get a carbon block filter, such as TAPP. TAPP refill cartridges are biodegradable, so you never have to use plastic related to water again.
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