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What is the best way to keep track of your calorie intake? I have no idea how many calories are in a tuna sandwhich.
What is the best way to keep track of your calorie intake? I have no idea how many calories are in a tuna sandwhich.
Well it is pretty complicated. You have to burn the sandwich in a metal cup submerged in water to get Tfinal. Then use this formula:
q=Masswater x specific heatwater x ΔTwater
(q=Heat in calories or joules) (T=temperature) (ΔTwater=Tfinal-Tinitial) (spefic heat of water= 4.18 J/g °C)
(Masswater = Mass of water in box - mass of box w/o water)
(joules to calore conversion 1 calorie=4.184 Joules)
Read more: http://wiki.answers.com/Q/How_do_scientists_determine_how_many_calories_a_food_has#ixzz1VKTFBYjM
So make sure you burn the whole sandwich first, then you'll know everything. :O
Thanks! I feel you on falling off the wagon. I ate 1 and a half medium Dominos pizzas on Saturday night. It was pathetic. Seemed like I crapped about 40 times the next day. Each trip to the can just drove home the shame.
If you have problems falling off the wagon, maybe try doing the Seinfeld Calendar. Basically put up a year calendar on a wall and put an X on every day you exercise or eat below a certain number of calories. The goal becomes not breaking the chain of X days for as long as you can. Jerry Seinfeld developed it for writing, but it works well with weight loss, from what I hear.
I'm just starting it now because I've found myself getting a little lax lately and I think a good visual reminder might help.
Honestly, I think the real key to long-term weight loss is to just switch up systems every so often. And remember that it's 80% diet, 20% exercise.
