The answer is no, although milk contains substances that make people fall asleep, meat also contains such substances, and the human brain has the instinct to protect itself. It refuses the "invasion" of foreign substances after the human body falls asleep, so "drinking milk to help sleep" is purely self-comfort. In fact, if you want to fall asleep faster, it is better to take a hot bath!

2. Is secondhand smoke more harmful than first-hand smoke?

The answer is not, at present, scientific research cannot prove that second-hand smoke is more harmful than first-hand smoke. But in real life, smokers often have aggregation effect. Smokers inhale first-hand smoke and second-hand smoke at the same time. In addition, there are as many as 4000 kinds of harmful substances in the smoke. For the health of yourself and your family, it is better to try not to smoke.

3. Is it healthy to drink 8 glasses of water a day?

The answer is no, according to the research of American Academy of Medical Sciences in 2004, most healthy people can completely meet their physical needs as long as they drink water according to their thirst. In this report, the experts gave a rough suggestion-2 liters per day for women and 3 liters per day for men. But in the end, it's better to follow your feelings. At the same time, people should not consume too much water, which will increase the burden on the kidneys.

4. Will your hair get darker and darker?

The answer is no, this rumor can be proved by reduction to absurdity: if this lie is true, then no one will worry about baldness. In fact, the number of hair is determined by the number of hair follicles, and cutting hair does not change the number of hair follicles.

5. Drinking more than 3 cups of coffee a day will make your breasts smaller?

The answer is no, tracing back to the source, the initial conclusion of this paper is that only a small number of people have a correlation between coffee intake and chest size, which does not mean that the chest is "shrunk" because of drinking coffee.

6. Is ecstasy possible?

The answer is no. Among the known chemicals, nothing can fascinate people with a sip. There is no "ecstasy" that can make people "hypnotized" as soon as they take it, thus making people regret it. PS: This is about "inhaled drugs". In fact, oral ecstasy that can make people unconscious in a short time does exist. Therefore, please avoid foods of unknown origin and delicious drinks.

7. Will the mobile phone degauss all kinds of cards?

The answer is 65438 +0. First, the electromagnetic wave generated by the mobile phone is not strong enough to degauss the card; 2. The strength of the electronic instruments and magnets carried by the mobile phone is not enough to degauss the bank card; 3. Two bank cards put together are not enough to degauss the cards. PS: The bank card should be as far away from the area with strong magnetic field as possible.

8. Are frogs cooked in warm water?

The answer depends on the specific situation. Frogs can jump out quickly when the temperature rises and falls. If the water temperature changes slightly, the frog will be hard to detect and finally be boiled to death. Finally, pay tribute to the great frog king in the pot!

9. Does a cup of yogurt after a meal help digestion?

Conclusion: It is not a rumor. Whether it is "a bottle of yogurt helps digestion after meals" or "XX active lactic acid bacteria, a bottle after meals", it is not a rumor. From the scientific concept, it is still "very likely."

10, can papaya breast enlargement?

The answer is no, the effect of papaya breast enhancement is only a legend and has no scientific basis. Just eat properly, exercise properly, and wear a proper bra. And breasts have a chance to get bigger during adolescence and after pregnancy.

1 1. Is cherry tomato a genetically modified vegetable?

Answer: The cherry tomatoes are not genetically modified vegetables. The tomato we see every day is a variety that Europeans have optimized and improved in a long history. On the contrary, the cherry tomatoes we use every day are "original versions of tomatoes".

12. Do the chicken hairless chicken and multi-winged and multi-legged chicken in foreign fast food really exist?

The answer is that there is a hairless chicken, which is a hybrid breed, not a genetically modified breed; But it is impossible to make a chicken with many wings and legs according to the current level of bioengineering.

13, is bedridden really a health killer?

Answer: defecation is not a scientific concept, and it is impossible for the human body to accumulate a lot of feces. If you want to develop healthy defecation habits, pay attention to eating some coarse grains and vegetables rich in vitamins and drink plenty of water. This is the right way.

14, is the mobile phone mosquito repellent software really effective?

Answer: I have been cheating, and it has not worked. The mobile phone can't send ultrasonic waves at all, and the mosquito repellent software is just a gimmick.

15. Is it a problem to eat eggs and soy milk together?

Answer: There will be no problem. However, washing eggs with soybean milk should be avoided, because the temperature of hot soybean milk is not enough to fully heat and sterilize eggs.

16. Is crossing your legs harmful to your health?

Answer: Yes, crossing your legs will bring certain health risks. For men, the local temperature increase caused by crossing their legs may indeed affect reproductive health. It may even lead to infertility. For the elderly, it will increase the risk of osteoarthritis. According to the current research, crossing your legs for a long time will increase your health risks. If you have friends with related diseases, such as diabetes, lumbar disc herniation, varicose veins of lower limbs and osteoarthritis, please put an end to crossing your legs.

17, can you really get twice the result with half the effort by using menstrual cycle to lose weight?

The answer is no, menstrual cycle has no effect on weight loss. If you really want to lose weight, there are the following tips: 1, combining exercise with diet; 2. Increase aerobic exercise; 3, weight loss must be sustained; 4, weight loss must have a certain plan.

18. Is chewing gum harmful for a long time?

Answer: It still depends on the specific situation. If chewing gum contains sugar, it is undoubtedly bad for the mouth; Chewing sugar-free gum for a long time will not stimulate the secretion of gastric acid, but it can reduce the reflux of gastric acid to the mouth and protect oral health to some extent.

19, will dropping blood on barbecue, saute spicy chicken and cold dishes spread AIDS?

The answer is no, it is the virus that causes AIDS, and the virus is not resistant to high temperature, so it is not established to drop blood on barbecue and large-scale chicken. Secondly, regarding cold dishes, the existence time of HIV in the air is only a few hours, so it is impossible to exist in real life under laboratory conditions. At present, it is known that the transmission route of AIDS is blood transfusion, sexual behavior and mother-infant behavior, so dropping blood on cold dishes cannot spread AIDS.