A disease can provide longer-lasting immunity than a vaccine? Are new energy electric vehicles more polluting than gasoline cars? The science rumor list for May 2026 has been released.
1. Quantum beauty devices can more effectively beautify and remove wrinkles
Rumor: Quantum beauty devices can more effectively beautify and remove wrinkles.
Truth: “Quantum” is a physics concept referring to the smallest indivisible unit of matter and energy, widely used in the study of microscopic particles, such as quantum mechanics and quantum computing. However, the so-called “quantum beauty devices” on the market do not use any real quantum technology, and their claimed effects lack scientific basis. In fact, skin aging and wrinkle formation are mainly related to natural factors such as aging, ultraviolet exposure, and collagen loss. Scientific and effective anti-aging methods include using legitimate skincare products, consistent sun protection, maintaining good sleep habits, and moderate medical aesthetic interventions.
Linking “quantum” with beauty effects is a marketing gimmick that exploits the public’s curiosity and trust in cutting-edge technology.
2. Not eating staple foods can save the “carb face”
Rumor: Eating carbohydrates like rice, noodles, and steamed buns causes “carb face.” Stopping staple foods and cutting out carbohydrates will make facial lines clearer.
Truth: “Carb face” is a stigmatization of carbohydrates. This oversimplified reasoning lacks rigorous evidence and may mislead the public into irrational dietary concepts, causing anxiety. The human facial contour is mainly determined by genetics and bone structure. The so-called “clearer facial lines after cutting carbs” is a natural result of overall body fat reduction and decreased facial fat due to reduced calorie intake.
In daily life, we should indeed consider the balance of both carbohydrate quality and total intake, avoiding excessive consumption of refined grains. Long-term excessive intake of high-glycemic-index refined carbohydrates and added sugars may induce insulin fluctuations and chronic low-grade inflammation.
However, brain development relies on stable glucose provided by starchy foods. Blindly pursuing “carb cutting” or “very low carb” is not advisable. Long-term severe restriction of carbohydrate intake may lead to poor concentration, emotional instability, menstrual disorders in women, and even affect liver and kidney metabolism. Moderate intake of high-quality carbohydrates rich in dietary fiber and micronutrients, such as whole grains, legumes, and tubers, not only helps stabilize blood sugar but also benefits gut health and antioxidant defense.
3. A disease can provide longer-lasting immunity than a vaccine
Rumor: Letting a child get sick once to develop natural antibodies provides longer-lasting immunity than a vaccine.
Truth: Vaccination is like a “combat drill” for the immune system: by introducing specially treated, weakened, or inactivated pathogen components, it allows the immune system to recognize the “enemy” in advance without causing illness. When the real “enemy” attacks, the immune system can respond quickly and defend precisely. Without vaccination, the consequences of the immune system’s emergency response are uncontrollable. Even if some infectious diseases can produce immunity after infection, the health cost can sometimes be very high, potentially leading to disability or life-threatening conditions. For example, in the past, when there were no vaccines, almost every child could get measles, which, besides fever and rash, could also lead to pneumonia or, in severe cases, encephalitis. Now, with two doses of measles-containing vaccine according to the immunization schedule, children can generally develop lasting immunity.
4. New energy electric vehicles are more polluting than gasoline cars
Rumor: New energy electric vehicles are more polluting than gasoline cars.
Truth: Some people believe that the production of batteries for new energy vehicles generates more carbon emissions. For example, battery manufacturing (especially the mining and refining of raw materials like lithium and cobalt) does increase manufacturing-end carbon emissions (about 50-80% higher than gasoline cars), so they are not environmentally friendly. However, assessing a car’s environmental friendliness should consider its entire life cycle: production, use, and disposal. Although new energy vehicles have higher carbon emissions during manufacturing, this is offset by lower carbon emissions during subsequent use. If relying on coal-fired power, CO₂ emissions per 100 km are about 8-
Quantum Mechanics
Quantum mechanics
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