A Bold New Routine
Nidhi Tyagi, the wife of popular comedian and former Shark Tank India host Rahul Dua, has embarked on a dedicated wellness practice: a 24-hour water fast
twice every month. This commitment, which began in 2026, involves abstaining from all food for a full day. Nidhi shared her experience on Instagram, admitting the significant challenge of foregoing her usual morning tea and even finding everyday foods tempting during the fasting period. The intention behind this rigorous schedule is to give her digestive system a much-needed respite from what she describes as 'painfully self-sabotaging eating habits.' She believes that this fasting practice can help detoxify the body and initiate a cellular repair process known as autophagy, which is believed to be beneficial for overall health. During these fasting periods, the permissible intake is limited to plain water, black coffee, green tea, black tea, or herbal teas, with electrolytes being an option if necessary for hydration and balance.
Expert Scrutiny on Water Fasting
Medical professionals offer a cautious perspective on frequent water fasting. Dr. Manjusha Agarwal, a senior consultant in internal medicine, points out that the human body is already equipped with sophisticated natural detoxification mechanisms, including the liver, kidneys, and digestive system, rendering extreme fasting unnecessary for cleansing. She emphasizes that while some individuals may attempt water fasting for discipline or a metabolic reset, undertaking it repeatedly without expert guidance can lead to significant health detriments. Dr. G. Krishna Mohan Reddy, a senior consultant physician and diabetologist, elaborates that while short-term fasting might result in temporary weight loss due to calorie restriction, the body can begin to break down muscle tissue alongside fat when deprived of essential nutrients for extended durations. He specifically cautions that performing water fasts bi-monthly could impose undue strain on the body, particularly if not under strict medical supervision. This highlights the critical need for informed decision-making when considering such intense dietary practices.
Potential Health Complications
The practice of frequent or prolonged water fasting, as undertaken by Nidhi Tyagi, carries a spectrum of potential health risks that are crucial to understand. Medically, regularly depriving the body of sustenance can lead to a cascade of adverse effects. These commonly include dangerously low blood sugar levels, which can manifest as dizziness and profound fatigue. Headaches and general weakness are also frequent complaints. Furthermore, by completely eliminating food intake, the body misses out on vital micronutrients such as vitamins, minerals, proteins, and healthy fats essential for maintaining normal bodily functions and energy metabolism. Dr. Reddy further warns about the risk of electrolyte imbalances, which can critically affect heart rhythm, blood pressure regulation, and overall energy levels, posing a serious threat to cardiovascular health and general well-being. These physiological disturbances underscore why medical consultation is paramount before embarking on such restrictive regimens.
Who Should Avoid Fasting?
Certain individuals are strongly advised to steer clear of water fasting altogether due to pre-existing health conditions or specific life stages. Dr. Agarwal explicitly states that individuals managing diabetes, those with low blood pressure, people suffering from kidney problems, or anyone with a history of eating disorders should abstain from water fasting. Additionally, individuals who are underweight are also considered high-risk. The list of contraindications extends further to include pregnant or breastfeeding women, the elderly, and individuals who are currently undergoing treatment with regular medications. For these vulnerable groups, the potential for negative health consequences significantly outweighs any perceived benefits. Dr. Agarwal strongly advocates for consulting a medical professional before initiating any form of fasting, emphasizing that individual nutritional requirements are highly variable and necessitate personalized medical assessment.
Safer Wellness Strategies
Instead of resorting to extreme dietary measures like frequent water fasting, medical experts advocate for more sustainable and balanced approaches to health and detoxification. Dr. Reddy suggests that prioritizing balanced eating patterns, maintaining appropriate portion control, and incorporating regular physical activity are fundamental for overall well-being. For those specifically interested in the benefits of fasting for health or detox purposes, he recommends exploring safer alternatives such as time-restricted eating or intermittent fasting, always under professional guidance. The key takeaway is that lasting health is cultivated through consistent, healthy lifestyle habits rather than temporary, extreme interventions. A nutritious diet abundant in fruits, vegetables, whole grains, and lean proteins, coupled with adequate hydration, consistent exercise, and sufficient sleep, are far more effective and safer methods to support the body's natural detoxification processes and promote long-term vitality.














