When it comes to weight loss, there’s no topic so hotly debated than the old ‘calories in vs calories out’ (CICO) adage. At one end of the argument, nutritional and weight loss advocates typically promote the 'eat less, move more' angle. In contrast, endocrinologists at the other end of the conversation suggest that hormonal issues may be the pesky cause of weight gain.
Understanding CICO is simple: when we consume more energy than we burn, we gain weight, and when we consume less energy than we burn, we lose weight.
It's a fundamental concept in regulating body weight and as close to scientific facts as we can get, so why is the discourse around CICO so volatile?
Here, I attempt to unpack different arguments in the CICO saga, which should hopefully paint a picture that CICO isn't just black and white but a multifaceted, many-layered proposition.
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