连队大食堂门口已经热闹起来了，人们正忙着杀年猪。猪是连队副业组饲养的，喂了整整一年。此刻， 一群人围在雪地上，一头肥猪被死死按倒，猪发出犀利的嚎叫声，刺破了冬日的宁静。高高的土灶边， 一口大铁锅架在上面，锅里的水已经咕嘟咕嘟地沸腾了。灶边的平台上，躺着一头刚宰杀完的大肥猪。 两人端着水瓢往猪身上浇烫水，另两人拿着刮毛的铁铲，弯着腰用力刮毛。我和小伙伴站在一旁，开心 地咧着嘴笑——因为我们知道，很快就能吃上香气扑鼻的红烧肉了。 那天傍晚，父亲下班回家，一进屋就对母亲说："今年春节会餐一定很隆重，我刚才回来，见食堂门口 杀了好几头大肥猪。"母亲笑了，说："那敢情好，咱们的孩子们都快要馋死了。但愿这回红烧肉能给多 一点。" 雪花仿佛也闻到了浓浓的年味，大年三十这天急急地赶来，在天空中漫天飞舞。连队的大喇叭里，老连 长洪亮的声音传了出来："全连的职工同志们请注意，今天食堂给大家会餐！听到通知后，速来大礼堂 就餐！不想在这里吃的，也可以领回去，与家人一起吃！" 话音落下，白雪覆盖的连队里，犬吠声、开门声、踏雪声响成一片，汇聚成了新年的进行曲。职工们纷 纷出门，兴高采烈地端着碗、拿着盆，踏着积雪向大礼堂走去。 ●张继 春 ...

1 腰酸背痛为何找上门？ 春节假期宅家休闲，免不了久坐久躺，长期保持此类姿势易引发腰酸背痛。让我们一起动起来，用几组 居家动作搭配日常习惯调整，改善久坐久躺带来的僵硬不适，保持健康舒适的状态，开开心心过大年！ 春节假期里，很多人认为"瘫在沙发上""躺着刷手机"是放松，但这种静态、不良姿势反而会让腰背部、 颈椎的肌肉和韧带持续处于紧张状态，破坏脊柱的生物力学平衡，引发疼痛。 一方面，长时间躺卧时，为了维持身体姿势（如半躺时腰部悬空、侧躺时脊柱扭曲），腰背部、颈椎的 肌肉需要持续收缩以保持稳定。这种长时间的静态收缩会导致肌肉内血液循环受阻，乳酸、炎症介质等 代谢废物在局部堆积，进而刺激神经末梢，引发酸痛感； 另一方面，人正常脊柱有四个生理曲度（颈曲、胸曲、腰曲、骶曲），这些生理曲度能缓冲震荡、维持 平衡，但不良躺卧姿势会破坏这些曲度。此外，一些看似静止的姿势，实则肌肉仍在"隐性工作"。例 如，躺着刷手机时，手臂需举着手机（或支撑在身体两侧），肩部肌肉持续紧张。这种"静态疲劳"会逐 渐累积，最终导致疼痛。 2 4组在家就能做的简单动作 帮助放松肌肉、缓解酸痛 1.懒猫弓背：跪姿，双手双膝撑地，手腕对齐肩膀，膝盖对齐 ...

Core Viewpoint - Qian Dama has established itself as a leading player in the community fresh food market, with a unique pricing strategy and a significant market presence, but faces challenges from competition and operational inefficiencies as it prepares for its IPO [2][28]. Group 1: Company Overview - Qian Dama submitted its IPO application to the Hong Kong Stock Exchange on January 12, with a reported GMV of 14.8 billion yuan and over 2,900 stores nationwide [2][3]. - The founders, siblings Feng Jisheng and Feng Weihua, started from a small pork stall and have expanded into a substantial business, focusing on community-based fresh food retail [3][12]. - The company has a dual revenue model based on a supply chain and franchise system, with 97% of revenue coming from supplying ingredients to franchisees [15][16]. Group 2: Business Model and Strategy - Qian Dama employs a tiered discount strategy that starts at 7 PM, increasing discounts every half hour until items are given away for free, which attracts price-sensitive consumers [15][16]. - The company has rapidly expanded its store count, achieving an average of 143 new stores per month within seven months, leading to a peak valuation of 25 billion yuan [16][28]. - However, the reliance on a single region (South China) for nearly 70% of its stores and revenue poses a risk, as the company has faced challenges in expanding to other regions like Beijing [21][25]. Group 3: Market Challenges - Qian Dama is experiencing increased competition from major players like Meituan and Alibaba, who are enhancing their logistics and product offerings, thereby squeezing Qian Dama's market share [26][28]. - The company has seen a decline in revenue growth, with a reported 0.43% increase in 2023 and a 4.2% decrease in the first three quarters of 2025, indicating a potential growth bottleneck [21][28]. - Franchisees are struggling with profitability, with some reporting losses of up to 400,000 yuan annually due to the discount-driven shopping habits of consumers [19][21]. Group 4: Future Outlook - The upcoming IPO is seen as a critical move for Qian Dama to secure capital for expansion and to enhance its competitive position in a rapidly evolving market [28][30]. - The company is focusing on digital upgrades and operational efficiency improvements to address growth challenges and enhance its market adaptability [30].

Core Viewpoint - The recent cold wave and snowfall in Hubei have not significantly impacted the supply and prices of fresh produce in Wuhan, ensuring that residents can continue their daily shopping without concern [1][9]. Supply and Pricing Stability - Various vegetables such as lettuce, red cabbage, and radishes are available in abundance at the Wutai Zha Comprehensive Market, with prices remaining stable around 3 yuan [1][9]. - In a fresh supermarket in Wuhan, fresh products including vegetables and fish are well-stocked, with prices for local varieties like yellow heart cabbage and seasonal potatoes around 5 yuan [5][12]. Preparedness and Response Measures - To address the cold wave, local supermarkets have increased their stock levels and optimized delivery routes to handle the surge in online orders, ensuring customer needs are met [5][12]. - The agricultural department in Wuhan has implemented proactive measures to ensure the safety of winter and spring crops and the stability of the agricultural market supply [7][15].

Core Viewpoint - The study indicates that vegetarian diets, particularly strict vegan diets, are negatively correlated with the likelihood of becoming centenarians among Chinese adults aged 80 and older, with vegetarians having a 19% lower chance and vegans a 29% lower chance compared to omnivores [2][6]. Study Design and Methodology - The research is a nested case-control study involving 5,203 participants aged 80 and above from a nationwide survey initiated in 1998, categorizing them into omnivores and vegetarians, with further subdivisions into pescatarians, lacto-ovo vegetarians, and strict vegans [4]. - The primary outcome measured was the likelihood of reaching 100 years of age by the end of the follow-up in 2018, using multivariable unconditional logistic regression for association analysis [4]. Key Findings - A total of 1,459 centenarians were identified and matched with 3,744 non-centenarians, revealing that vegetarians had a lower likelihood of becoming centenarians (OR=0.81), with strict vegans showing an even lower likelihood (OR=0.71) [5]. - No significant association was found for pescatarians (OR=0.84) and lacto-ovo vegetarians (OR=0.86) regarding centenarian status [5]. - Significant associations were observed in individuals with a BMI < 18.5 kg/m² (OR=0.72), while no significant association was noted in those with a BMI ≥ 18.5 kg/m² (OR=0.92) [5]. Implications - The results suggest that a vegetarian diet, especially a strict vegan diet, is associated with a reduced likelihood of reaching 100 years of age, emphasizing the importance of a balanced and high-quality diet that includes both animal and plant-based food components for longevity, particularly in underweight elderly individuals [6]. - It is recommended that vegetarians consider incorporating fish, eggs, and dairy products to prevent nutritional imbalances and the negative impacts of low body weight on long-term survival [6].

Core Viewpoint - The incidence of colorectal cancer among the elderly is significantly increasing due to aging populations, necessitating improved prevention strategies and healthier lifestyles to protect their health and quality of life [1] Group 1: Reasons for Increased Incidence - Colorectal cancer develops over a long period, typically 10 to 15 years, with higher rates in the elderly due to factors such as increased genetic mutation risks from prolonged exposure to various risk factors [2] - Aging leads to a decline in intestinal function, resulting in slower peristalsis and prolonged retention of harmful substances in the intestines, which exacerbates irritation to the intestinal wall [2] - Many elderly individuals suffer from conditions like diabetes, obesity, and gallbladder diseases, which further elevate the risk of colorectal cancer [2] Group 2: Preventive Measures - Adjusting lifestyle is the most cost-effective and beneficial cancer prevention strategy, including increased consumption of whole grains, fresh vegetables, fruits, and legumes to promote intestinal health [3] - Reducing intake of red meat and avoiding processed meats classified as carcinogenic by the WHO are crucial steps in prevention [3] - Regular physical activity, such as brisk walking or Tai Chi for at least 150 minutes per week, along with smoking cessation and limited alcohol consumption, are essential for reducing cancer risk [3] Group 3: Screening Recommendations - Colonoscopy is the gold standard for screening, recommended for individuals starting at age 50, with follow-ups every 5 to 10 years if results are normal [4] - Those with a family history of colorectal cancer should begin screening earlier, while fecal occult blood tests serve as a non-invasive initial screening method [4] - Immediate medical attention is advised for symptoms such as changes in bowel habits, blood in stool, persistent abdominal pain, unexplained weight loss, or anemia [4] Group 4: Expert Commentary - The article serves as a comprehensive and accessible resource for elderly individuals regarding colorectal cancer, emphasizing prevention over treatment and the importance of regular screenings [5]

Core Viewpoint - The article emphasizes the importance of a balanced and nutritious diet during winter to enhance immunity and adapt to colder temperatures, highlighting specific dietary recommendations to prevent common winter illnesses. Group 1: Energy Supply - Adequate energy intake is crucial in winter as the body requires more calories to maintain normal temperature and physiological activities, necessitating an increase in caloric consumption [2] - It is recommended to mix staple foods like rice and grains, incorporating options such as millet, corn, and whole grains to ensure a balanced diet [2] - Daily oil intake should be controlled to below 25 grams, preferably using unsaturated fats from plant oils, while avoiding excessive animal fats [2] Group 2: Protein Intake - Sufficient protein intake is essential for synthesizing antibodies that help the body resist cold and infections, with recommendations to include lean meats, fish, eggs, and dairy in meals [3] - Each meal should ideally contain about one-third of protein, with specific examples provided for breakfast, lunch, and dinner [3] - While animal proteins are generally superior, care should be taken to avoid excessive fat intake, with suggestions for lean cuts of meat [3] Group 3: Vitamins and Minerals - Increased demand for vitamins related to energy metabolism, particularly vitamin B2, is noted, with animal liver, eggs, and milk as good sources [4] - Vitamin C is highlighted for its role in enhancing cold resistance and collagen synthesis, with fresh fruits and vegetables recommended, particularly winter jujubes [5] - Vitamin A is important for maintaining the health of epithelial tissues, with suggestions for daily vegetable intake to ensure adequate levels [5] Group 4: Calcium and Iron - Calcium intake is emphasized, especially for children and the elderly, with dairy products recommended as primary sources [6] - Iron-rich foods are necessary to support blood circulation and immune function, with animal sources being more easily absorbed than plant sources [7] Group 5: Zinc and Dietary Practices - Foods rich in zinc, such as red meat and shellfish, are recommended to reduce infection risk during winter [8] - It is advised to avoid raw and cold foods to prevent gastrointestinal irritation, and to limit the consumption of overly fatty foods to maintain digestive health [9][10]

Core Viewpoint - Healthy eating can prevent and control cardiovascular diseases, while unhealthy diets increase the risk of such diseases [1] Group 1: Foods to Limit - Limit salt intake to no more than 5 grams per day and avoid foods high in hidden salt such as soy sauce and processed meats [2] - Reduce consumption of fatty meats as excessive animal fat can raise blood lipid levels [3] - Minimize intake of organ meats due to their high cholesterol content, which can also elevate blood lipid levels [4] - Refine grains should not exceed 50% of staple foods; increase the proportion of whole grains [5] - Processed meats should be strictly controlled due to high salt and potential food safety issues [6] - Limit saturated fats found in animal fats like beef tallow and lard, as recommended by dietary guidelines [7] - Avoid trans fats commonly found in snacks and fried foods, as they increase the risk of cardiovascular diseases [8] Group 2: Foods to Include - Consume fish at least twice a week, with 50 grams of fatty fish like mackerel or salmon meeting daily DHA requirements [10][11] - Whole grains should make up more than one-third of staple foods [12] - Daily intake of dairy products should be 300-500 grams; low-fat options are recommended for those at risk of cardiovascular diseases [13] - Include 25 grams of soybeans or equivalent soy products daily for their health benefits [14][15] - Daily fruit intake should be 200-350 grams, focusing on vitamin C-rich options [16] - Daily vegetable intake should be 300-500 grams, with a variety of types for optimal health benefits [17][18] - Nuts should be consumed weekly in amounts of 50-70 grams, as they contain beneficial unsaturated fats [19] - Moderate coffee consumption is beneficial, with a recommended daily caffeine limit of 210-400 milligrams [20][21] - Regular tea consumption is associated with reduced risks of various diseases [21] - Eating chili peppers may lower mortality rates related to heart diseases [22] Conclusion - A diverse diet incorporating the recommended foods can significantly reduce the risk of hypertension and cardiovascular diseases, emphasizing the importance of variety in daily and weekly food choices [22]

Group 1 - The core idea emphasizes the importance of post-exercise nutrition for weight loss and muscle gain, highlighting that a high-protein diet after exercise can lead to a BMI reduction of 0.6 points, equivalent to approximately 3.5 pounds for a 1.7-meter tall adult [2] - Consuming carbohydrates post-exercise helps replenish glycogen stores and prevents muscle breakdown, while protein stimulates muscle protein synthesis, aiding in recovery and growth [4] - A combination of carbohydrates and protein optimizes recovery, significantly increasing glycogen synthesis efficiency [4] Group 2 - Sufficient carbohydrate intake generally does not lead to excessive fat production, with studies indicating that only 1% to 2% of excess carbohydrates are converted to fat [5] - Carbohydrates help stabilize appetite and prevent cravings, as they stimulate insulin secretion, which regulates appetite [6] - Adequate carbohydrate consumption promotes the secretion of FGF21, a hormone that aids in energy expenditure and fat reduction [8] Group 3 - Eating fruit before meals can help control calorie intake, with studies showing that consuming an apple before a meal can reduce caloric intake by approximately 187 kcal [9] - Eating fruit before meals can lower post-meal blood sugar responses, with research indicating that consuming kiwi before rice resulted in the best outcomes for blood sugar levels [9] - Following two guidelines for fruit consumption can enhance weight loss and blood sugar control: avoiding high-sugar fruits and choosing nutrient-dense options [11] Group 4 - A meta-analysis involving over 1,000 participants found that high-protein diets led to an average weight loss of 1.6 pounds and a reduction in fat mass by 1.74 pounds compared to conventional diets [13] - Adequate protein intake promotes long-lasting satiety by stimulating the release of CCK, a hormone that signals fullness to the brain [14] - Protein is essential for muscle repair and growth, helping to prevent fat accumulation and maintain a higher basal metabolic rate [15] Group 5 - Recommended protein sources for weight loss include fish, shrimp, and poultry, while red meats should be secondary choices [17] - When consuming meat, lean cuts should be prioritized, avoiding fatty parts and processed meats high in salt and fat [18] Group 6 - Research indicates that for overweight individuals, an additional hour of sleep can reduce caloric intake by approximately 270 kcal [19] - Two key practices for effective weight loss through sleep include going to bed early (between 10 PM and 11 PM) and maintaining a sleep duration of around 7 hours [19]