No worries. The electronic machines are best to give you a general idea of how you're doing, over reasonably long periods of time (months). From week to week, depending on numerous different...
The context was wrong. You implied that if a meal takes longer than twenty minutes to prepare, the person preparing it would not be getting it 'quickly enough' and thus would suffer as a result.
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Look on the side of the can of tuna for the calorie content? Add up the calories from the packaging of the sausages / bacon / eggs / etc. in your fry up? Not hard!
I thought it would be interesting to hear from everyone about how your opinions and beliefs about nutrition have evolved. I figure this might be useful to people just starting out, as I'm...