Cholesterol levels often rise during the winter season due to a combination of physiological and lifestyle factors. Taking care of cholesterol during winter is crucial because the season naturally elevates cholesterol levels, increasing the risk of heart-related issues. Cold weather causes blood vessels to constrict, raising blood pressure and the strain on the heart, which can be exacerbated by high cholesterol. Maintaining healthy cholesterol levels is vital to prevent plaque buildup in arteries, reducing the risk of heart attacks and strokes.
There are several reasons why cholesterol increases during winter
“Cholesterol increases during winter. There are a number of reasons behind this as during winters, people are likely to consume heavy food and high-fat fried snacks, sweets, and comfort meals, which raises the cholesterol level. Low temperature also decreases physical activity or exercises since everybody prefers staying indoors. People burn fewer calories, and excessive fat is accumulated,” explains Dr. Bimal Chhajer, Former Consultant – AIIMS & Director- SAAOL Heart Center, New Delhi.
“During the cold months, individuals are less active because of the cold weather, and reduced physical activity and energy expenditure lead to weight gain and elevated cholesterol levels. Most people eat fats, sugars, and high-calorie foods to keep them warm and energized during the winter months. Moreover, due to the lower temperatures of the environment, the body makes more cholesterol to ensure cell functionality and protect itself from cold,” explains Yogendra Singh Rajput, Associate Director – Cardiology, Marengo Asia Hospitals, Gurugram.
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“More cholesterol is produced in the body if it is cold, and this is because cholesterol hardens the cell membrane for protection against the influence of cold temperatures. However, excess cholesterol is not beneficial for heart health,” Dr Chhajer adds.
“Sunlight exposure also decreases during winter, which reduces the body’s production of vitamin D. Vitamin D regulates cholesterol, so a deficiency in it leads to an increase in levels. In addition, the winter season may bring more stress, which also contributes to higher cholesterol levels,” he says.
Yes, you can manage cholesterol level during winter season
Dr Rajput explains, “Controlling cholesterol levels during the winter months requires a healthy lifestyle. Begin with a diet balanced by fruits, vegetables, and whole grains while keeping to minimal intake of high-fat and processed foods. Include sources of omega-3 fatty acids like fish, flaxseeds, and walnuts, and exercise by keeping fit and active through indoor practices like yoga, stretching, or dancing. Stress is yet another management aspect; learn how to relax, such as with meditation, deep breathing, or mindfulness. Spend time outside during the day to get vitamin D from sunlight, which helps regulate cholesterol. If exposure to sunlight is limited, vitamin D supplements may be the way out but only after doctor consultation.”
