New Delhi: Popular weight-loss trends such as ketogenic diets and intermittent fasting may deliver quick results, but their long-term effectiveness and safety remain uncertain, according to a new book by diabetologist Dr Anoop Misra.
The book seeks to counter widespread dietary misinformation and promote informed choices tailored to Indian populations.
In “Smart Calories and Common Sense”, Misra critically examines fast-growing dietary fads, noting that ketogenic (keto) diets which sharply restrict carbohydrates and rely on high fat intake can trigger rapid weight loss and improved blood sugar levels.
However, he cautions that such diets are difficult to sustain, require medical supervision and may lead to side effects ranging from fatigue and digestive issues to potential risks for heart health.
Intermittent fasting, another widely followed approach, shows modest weight loss comparable to traditional calorie-restricted diets, the book, published by Bloomsbury India, states.
While it may improve certain metabolic markers, its long-term impact remains unclear, with some studies indicating possible cardiovascular risks and challenges in blood sugar control, particularly among diabetics.
The book also highlights the rising use of weight-loss drugs such as GLP-1 receptor agonists, including medications like Wegovy and Ozempic, which are increasingly being seen as game changers in obesity management.
While these drugs can significantly reduce weight and improve metabolic parameters, Misra notes they are not a universal solution and must be prescribed judiciously, given costs, side effects and the need for sustained lifestyle changes.
On the widely discussed concept of diabetes reversal, the book adopts a cautious stance. While very low-calorie diets and intensive interventions may help some patients achieve remission, it stresses that not all individuals are suitable candidates.
Those with long-standing diabetes, significant pancreatic damage, advanced complications or those requiring complex drug regimens may not benefit equally and could face risks if aggressive dietary approaches are attempted without supervision.
Misra underscores that extreme or one-size-fits-all solutions; whether diets or drugs often overlook individual variability in metabolism and disease profile. Misra advocates a balanced, evidence-based approach rooted in clinical science rather than trends.
The book, however, comes with a disclaimer that it is not a “substitute for professional medical advice, diagnosis or treatment”.
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