Group 1 - The article emphasizes the increased risk of respiratory infections, such as influenza, due to cold weather and environmental factors, urging the public to take these health threats seriously [1][3] - It clarifies the misconception that influenza is just a severe form of a cold, highlighting the significant differences in symptoms, severity, and treatment between the two [2][3] - The article stresses the importance of timely medical attention for severe flu symptoms to prevent complications [3] Group 2 - It debunks the myth that having had influenza provides lifelong immunity, explaining the virus's ability to mutate and the diminishing effectiveness of antibodies over time [4] - The article discusses the misconception that an early winter indicates a cold winter, explaining that early onset does not correlate with overall winter temperatures [5][6] - It addresses the common belief that antihypertensive medications weaken blood vessels, clarifying that high blood pressure is the actual cause of vascular issues [7] Group 3 - The article refutes the claim that coffee and carbonated drinks harm bone health, stating that moderate consumption does not significantly affect osteoporosis risk [8] - It dismisses the idea that WiFi routers can cause cancer, explaining that the radiation emitted is non-ionizing and not harmful to human health [9] - It corrects the notion that sleeping on one side leads to uneven shoulders, attributing such conditions primarily to genetic factors and posture [10][11] Group 4 - The article critiques the belief that meal replacement foods can lead to effortless weight loss, warning about potential nutritional deficiencies and the importance of combining diet with exercise for effective weight management [12]

Group 1 - The latest "Science" Rumor List debunks popular health myths, including misconceptions about swimming after meals, the growth of intestinal polyps, and the effects of shaving facial hair [1] - The claim that swimming immediately after eating causes leg cramps is clarified; cramps are more related to electrolyte imbalance, muscle fatigue, and inadequate warm-up rather than blood flow diversion [2] - It is advised to wait 30 to 60 minutes after a heavy meal before swimming to avoid discomfort, not specifically to prevent cramps [2] Group 2 - The myth that intestinal polyps will grow more if surgically removed is debunked; timely removal is necessary to prevent cancer risk, and new polyps may appear due to genetic factors or lifestyle, not the removal process [4][5] - The belief that frequent shaving makes facial hair coarser is a common misconception; hair thickness is determined by follicle structure and genetics, not shaving [6][7] - The idea that early use of glasses in children worsens myopia is incorrect; eye shape changes are a result of worsening myopia, not the use of corrective lenses [8] Group 3 - The misconception that electric vehicles leak electricity in the rain is addressed; modern electric vehicles are designed with high waterproof standards, ensuring safety during rainy conditions [9] - The claim that injecting telomerase genes can reverse aging lacks scientific support; aging is a complex process influenced by multiple factors, and current research is not yet applicable to humans [10] - The belief that tea residue enhances teapot quality is misleading; tea residue can harbor harmful substances and should be cleaned to maintain hygiene and flavor [11][12]