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US doctor shares 3 biological reasons that can heighten cold sensitivity
Are you extra sensitive to cold? US doctor shares 3 biological reasons that can heighten cold sensitivity
Are you extra sensitive to cold? US doctor shares 3 biological reasons that can heighten cold sensitivity
Some people can feel like a room is freezing while others remain perfectly comfortable. Dr Sood shares 3 reasons for this.
Published on: Mar 13, 2026 6:02 PM IST By Eshana Saha Share via Copy link Do you often find yourself shivering in a room where everyone else seems perfectly comfortable? Or pulling the covers tighter at night while others feel just fine? Feeling unusually sensitive to cold is a common experience, and it may have more to do with your body’s internal processes than the temperature around you. From metabolism to body composition and stress levels, several biological factors can influence how your body perceives and regulates heat. Read more to find out why you may be feeling colder than others in the same environment! (Unsplash) Also Read | Swollen feet during pregnancy? US doctor explains why it happens and shares ways to ease discomfort Dr Kunal Sood, an anaesthesiologist and interventional pain medicine physician, is breaking down why some people experience heightened sensitivity to cold, while others remain comfortable at the same temperature – noting that it isn’t always due to poor circulation. In an Instagram video shared on March 12, the physician highlights, “Feeling cold isn’t just bad circulation. Constantly feeling cold can reflect changes in metabolism, insulation, or stress physiology, not just blood flow.” View this post on Instagram A post shared by Kunal Sood, MD (@doctorsoood)Iron deficiency
According to Dr Sood, low iron levels can reduce the body’s ability to generate heat. He explains that iron is essential for the production of haemoglobin, the molecule responsible for carrying oxygen to cells throughout the body. When iron levels drop, oxygen delivery becomes less efficient, which can impair energy production and slow down oxidative metabolism. The physician elaborates, “Iron is required for haemoglobin, which carries oxygen to tissues. When iron is low, oxygen delivery drops and mitochondrial energy production declines. Because metabolic heat comes from oxidative metabolism, reduced mitochondrial activity can lower thermogenesis. Iron also affects enzymes involved in thyroid hormone metabolism, so deficiency can reduce basal metabolic rate and increase cold intolerance.”Low body fat
Dr Sood points out that one key function of subcutaneous fat is to act as a thermal insulator, helping slow down heat loss from the body. As a result, people with lower body fat tend to lose heat more quickly. He also adds that adipose tissue serves as an important energy reserve, and when body fat levels are low, the body has fewer resources to generate metabolic heat. He explains, “Subcutaneous fat acts as a thermal insulator that slows heat loss from the body. People with lower body fat lose heat more quickly because the insulating layer under the skin is thinner. Adipose tissue also serves as an energy reserve for thermogenesis. When body fat is low, both insulation and metabolic heat production are reduced, making the same environment feel colder.”Chronic stress
According to the physician, chronic stress can cause a spike in cortisol levels, which may disrupt the body’s ability to regulate temperature. Elevated cortisol can alter metabolism and interfere with thyroid signalling, potentially leading to peripheral vasoconstriction – reducing blood flow to the hands and feet – and gradually lowering overall heat production. Dr Sood explains, “Persistent stress activates the hypothalamic-pituitary-adrenal (HPA) axis and raises cortisol. Elevated cortisol can alter metabolism and thyroid signalling while also increasing sympathetic activity. This can cause peripheral vasoconstriction, making hands and feet feel colder, and can reduce overall metabolic heat production over time.” Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. It is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them. ABOUT THE AUTHOR Eshana Saha Eshana Saha is a fresh face in lifestyle and cultural journalism, bringing a refined, multidisciplinary perspective to the intersection of entertainment, fashion and holistic wellbeing. With less than a year of professional experience, she has quickly adapted to high-pressure editorial environments and currently works full-time with HT Media. Prior to this, she interned for nearly six months with Hindustan Times’ entertainment and lifestyle vertical, where she gained hands-on experience in digital reporting, trend analysis and editorial storytelling. Based in New Delhi, Eshana specialises in comprehensive coverage of major cultural moments — from international film press tours to the curated aesthetics of global fashion showcases, award shows and music-centred events. She holds a Bachelor’s degree in English from St Xavier’s University, Kolkata, and a Master’s degree in English from the University of Delhi, equipping her with a strong academic foundation and a keen ability to deconstruct complex cultural trends into clear, high-impact narratives. Beyond the red carpet, Eshana has developed a growing focus on health and wellbeing reporting. She bridges the gap between celebrity-driven trends and practical, evidence-informed lifestyle advice, ensuring her work remains both aspirational and grounded in editorial rigour. She has extensively covered the health implications of Delhi’s air pollution crisis, while also playing a key role in amplifying expert-led insights on women’s health and mental wellbeing, helping translate complex medical perspectives into informed, impactful public awareness. An artist at heart, she explores multiple creative forms — from visual arts and music to culinary experiments — and brings a creative’s eye for nuance, texture and detail to every story. Whether analysing runway dynamics or examining emerging wellness movements, she remains committed to accuracy and the highest standards of contemporary journalistic ethics.Read More Temperature Body Temperature Metabolism Catch every big hit, every wicket with Crick-it, a one stop destination for Live Scores, Match Stats, Quizzes, Polls & much more. Explore now!.Catch your daily dose of Fashion, Taylor Swift, Health, Festivals, Travel, Relationship, Recipe and all the other Latest Lifestyle News on Hindustan Times Website and APPs. News / Lifestyle / Health / Are You Extra Sensitive To Cold? US Doctor Shares 3 Biological Reasons That Can Heighten Cold Sensitivity See Less
Do you often find yourself shivering in a room where everyone else seems perfectly comfortable? Or pulling the covers tighter at night while others feel just fine? Feeling unusually sensitive to cold is a common experience, and it may have more to do with your body’s internal processes than the temperature around you. From metabolism to body composition and stress levels, several biological factors can influence how your body perceives and regulates heat.
Also Read | Swollen feet during pregnancy? US doctor explains why it happens and shares ways to ease discomfort
Dr Kunal Sood, an anaesthesiologist and interventional pain medicine physician, is breaking down why some people experience heightened sensitivity to cold, while others remain comfortable at the same temperature – noting that it isn’t always due to poor circulation. In an Instagram video shared on March 12, the physician highlights, “Feeling cold isn’t just bad circulation. Constantly feeling cold can reflect changes in metabolism, insulation, or stress physiology, not just blood flow.”
The physician elaborates, “Iron is required for haemoglobin, which carries oxygen to tissues. When iron is low, oxygen delivery drops and mitochondrial energy production declines. Because metabolic heat comes from oxidative metabolism, reduced mitochondrial activity can lower thermogenesis. Iron also affects enzymes involved in thyroid hormone metabolism, so deficiency can reduce basal metabolic rate and increase cold intolerance.”
He explains, “Subcutaneous fat acts as a thermal insulator that slows heat loss from the body. People with lower body fat lose heat more quickly because the insulating layer under the skin is thinner. Adipose tissue also serves as an energy reserve for thermogenesis. When body fat is low, both insulation and metabolic heat production are reduced, making the same environment feel colder.”
Dr Sood explains, “Persistent stress activates the hypothalamic-pituitary-adrenal (HPA) axis and raises cortisol. Elevated cortisol can alter metabolism and thyroid signalling while also increasing sympathetic activity. This can cause peripheral vasoconstriction, making hands and feet feel colder, and can reduce overall metabolic heat production over time.”
Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. It is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.
Source: HindustanTimes
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