Sunday, April 24, 2011

COLD WATER gives you what half hour of Cardio does

I can't wait to go to McDonald's to try out their new Spicy McChicken or whatever it is called. I love food, but unfortunately for me, my metabolism doesn't. Its absolutely unfair when I see my friends hogging as much, as little active as me, but yet not piling on weight like I am in final year of Med school. 

Coming to the point, some experiment has pointed out that drinking 2 litres of chilled cold water through the day will help you burn 100 additional calories. As I believe all the research and experiments that seem right and convenient to me, I chose to believe this as well. My advice to every one - drink ONLY cold water. 

Lets quantify my advice and the experiment findings now:

A friend joined a gym recently, primarily for weight loss which cost him Rs.20000 per annum.
On an average, he goes to the gym 4 days a week, does Cardio for an average of half hour, floor exercises for 10-15 minutes, and no weights because he had a fracture recently, burning about 350 calories per session. 

Now assuming he is sincere through out the year (which I'm sure he won't be):

Calorie loss in one year = 72800 kcals
Cost per 100 calories burnt = Rs.28
Time spent = 12480 minutes

Water method:

Calorie loss in one year = 36500 kcals
Cost per 100 calories burnt = Rs.0
Time spent = 0 minutes

Final result:
Follow my advice to lose 50.1% calories of an average one hour weight loss work out at the gym, but at the same time, also save money (Rs. 10020) and time (6252 minutes) calculated per annum. 





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2 comments:

  1. AryabhattaApril 24, 2011 at 9:06 PM

    Pankaj it would be nice if you could post the reference of the experiment.

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  2. Pankaj S. JethwaniMay 4, 2011 at 4:48 PM

    I read this in some health magazine some time ago, but I'm not sure which one.

    They spoke about the experiment, and gave the rationale for it as below:

    Water at 0 degrees Celcius, to bring to 37 d Celcius, you need 37 kcals per 1 liter of water (1 kcal for each degree for each liter - using laws of thermodynamics)

    That makes it 74 kcals for 2 liters.

    Now consider the water that you drink at 0 degrees Celsius has only 300 grams of ice in it.

    Ice requires more calories to be burnt (latent heat of fusion)

    That would amount to:
    300 g x 0.080 Cal/g = 24 Cals (ie, 24 kcal)

    That would take your total to 98 Cals burnt per 2 litres of ice cold water.

    PS - I'll try hunting for the link to the experiment to make more sense, though you can see the chemistry behind it using laws of thermodynamics.

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