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If you’ve always thought of water as a transparent, colourless and tasteless liquid, it’s time for a rethink! There are all kinds of variants of the humble water in the market.
They all claim to be full of health benefits, but beware before you follow the fad.
Here’s all you need to know about the various types of water.
Unlike regular water that has a pH level of about 7, alkaline water has a pH of about 8 or 9. It has got a slightly bitter taste to it and has recently gained popularity due its supposed multiple health benefits.
According to a study published in Journal of the International Society of Sports Nutrition 2016, alkaline water reduces the viscosity of blood thereby reducing blood pressure and risk of heart disease. Another study conducted in 2012 says that it nullifies conditions like acid reflux too.
But nutritionist Kavita Devgan warns that most of such studies have not been done extensively.
Kavita adds that on the surface, alkaline water might look to serve our health needs, but in actuality one does not know what problems their overuse might cause.
According to gastroenterologist Dr Ashwini Setya, drinking alkaline water alters the “Milieu interior” i.e. the inner environment of the body.
Dr Setya adds, “The activation of pepsinogen into pepsin which ideally takes place in an acidic environment gets delayed or hampered because of the alkalinity.”
Carbonated water does not have carbonates in it like Colas. Rather, this water is made by passing carbon dioxide through water under pressure. This carbon dioxide when released from the water takes the form of bubbles or fizz and that is why this is also called sparkling water.
Dr Setya says that there are no overt health benefits of carbonated water.
He says that people wrongly believe that drinking sparkling water will curb their acidity problems because it makes them belch. “The carbon dioxide dissolved in the water gets accumulated in the body and is released in the form of a burp - and people subconsciously feel better,” adds Dr Setya.
Kavita Devgan says, “sparkling water has similar hydrating effects like regular water only that it is mildly expensive. It can serve as a comparatively healthier alternative for people who are addicted to carbonated drinks.”
Ortho water and Para water are a recent discovery. The two types of water are different from each other on an atomic level.
Dr. Setya says, “The two Hydrogen atoms joined to the Oxygen atom have a particular spin to them. Depending on the spins we classify them as ortho or para water. Both these forms are present in still water. And they can only be separated in the lab.”
There has been very limited research regarding both these kinds of water.
Though water in itself is a detox agent, we are witnessing a current trend of adding detoxifying ingredients to water which increases the potency of water. Elements like mint, cucumber and fruits are put in the pitcher full of water. Water in that pitcher is then called ‘detox water’.
It is good especially for anyone who does not like the taste of ordinary water.
The normal tap water which is not carbonated and is not alkaline is called ‘still water’. This water before it becomes portable (drinkable) has to be filtered. Filtering is done through either RO ( reverse osmosis) or through UV ( ultra violet) filter.
Though filtered water is considered the safest and purest to drink but one thing to consider first is the state of raw water that we have. There is only so much that the filter can filter out.
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Published: 23 Jun 2018,12:40 PM IST