As the saying goes, “one white covers all ugliness”, although it mainly refers to the white skin, it seems that this sentence also holds for teeth. Many stars show white and neat teeth when they smile, which is especially beautiful. At the same time, there are also some [secret recipes] circulating among the people that can whiten teeth. Let’s see if these methods really work or are just erroneous. Containing vinegar or lemon juice It doesn’t work, it’s harmful! Perhaps someone was inspired by [white vinegar can remove scale] and felt that white vinegar is acidic and can dissolve scale, so it should be able to remove [tartar]. Anyway, the composition is similar. Indeed, very sour vinegar or lemon juice Read More …

Can too much calcium supplement become hyperosteogeny? No! Calcium supplement will not only not lead to hyperosteogeny, but also make our bones healthier. Osteogeny, commonly known as [bone spur], patients often feel pain, like a prick into the skin. Most bone spurs are mainly caused by two reasons: Incorrect posture during exercise or labor, or too heavy a burden of physical work; After joint wear, cartilage did not grow well during repair. Therefore, the prevention of bone spur should also start from these two aspects: Correct the wrong posture, and moderate exercise and work, don’t too hard, don’t get hurt; Proper calcium supplement and balanced diet help normal bone metabolism and reduce the possibility of bone spur. Hyperosteogeny is more Read More …

Masturbation can cause premature ejaculation? There is no evidence that masturbation causes premature ejaculation. Masturbation can increase tolerance to sexual stimulation and prolong ejaculation time. However, some boys are ashamed of masturbation on the one hand and feel that they cannot help pursuing the pleasure of masturbation on the other, so they easily fall into the vicious circle of “masturbation-regret-masturbation-regret”. The fundamental solution to such problems is that you have to agree that masturbation is a normal and positive thing. Masturbation is nothing, but some people feel guilt and fear because of the so-called “harm of masturbation” on the Internet, which may really cause psychological disorders. Well, I’m talking about that [abstain from sex].

In order to enable the baby to have a pair of enviable straight legs when he grows up, the people have come up with many methods, the most widely circulated of which is leggings-straightening the baby’s legs and tying them with cloth bands, so that the baby’s legs can grow straight. This is actually a big misunderstanding! Before the age of 8, children have some O-shaped or X-shaped legs, most of which are normal phenomena in development. As children grow up, they will naturally straighten up. Leggings not only cannot make legs long and straight, but may cause developmental dislocation of hip joint, and long-term compression of cloth band may also lead to dermatitis and damaged infection. Correct Approach: Don’t Read More …

Can fruit be squeezed into juice and drunk again destroy its nutritional ingredients? Yes. No matter using a high-priced original juicer or an ordinary juicer, nutrients in fruits, especially vitamin C and antioxidant components, will definitely be lost during the juicing process. In addition, after the fruit is juiced and filtered, a large amount of cellulose and pectin will be removed, and all sugar will enter the juice. Infants drinking fruit juice are more likely to cause a high sugar-raising reaction than eating fruit directly. For most people, It is recommended to eat fruit directly, Instead of drinking fruit juice. But for old friends with weak digestion and bad teeth, Excessive dietary fiber will cause gastrointestinal burden, and it is Read More …

The ancients believed that semen is a very magical and precious thing, with the saying of [one drop of semen, ten drops of blood]. In modern times, there are rumors that semen can beauty beauty, supplement nutrition and even treat gynecological diseases: Semen is a high-grade protein, equivalent to eggs. The nutrition of semen can be compared with that of milk. Semen is rich in vitamin C and other minerals … … Promise me not to spoil this food, will you? If your partner is willing to swallow your [male juice], it is your interest. If you are not willing, don’t make up such a bad excuse! Is semen really nutritious? Ha ha, of course it is a lie. Is Read More …

Wash your face with vinegar, whiten your skin? Dip your face in vinegar, refreshing and delicious. Wait a minute, put down your hand to the vinegar bottle. Some people will feel white for a short time after washing their faces with white vinegar, because the acetic acid of white vinegar can soften the stratum corneum and play a role in exfoliating cutin. But! Washing your face with white vinegar for a long time will make your skin more and more sensitive. Before you turn white, the skin barrier function has been damaged. Your face may itch, appear red blood streaks, or develop pimples and rashes… It seems that the only thing that makes you feel magical is to insist on Read More …

No, even if it is washed directly with beer. The reason is very simple. There is really no dandruff-removing ingredient in beer. Beer is a drink made of barley malt, yeast, water and other raw materials. Its main components are water, ethanol, sugar, proteolytic products and a small amount of water-soluble vitamins. General dandruff removal products can reduce dandruff in two ways: one is to kill Malassezia parasitized on the scalp, and the other is to inhibit sebum secretion of the scalp. However, we have counted and found that the ingredients in beer have these functions. Some people may say that alcohol can kill bacteria, but the alcohol in beer is generally only about 2%, which cannot kill bacteria at Read More …

The Ultimate Puzzle: Is Tomato Fruit or Vegetable? [Look at the tomato. When it ripens, it is red. Its pulp grows from the ovary and is wrapped in delicious seeds. It is exactly the same as the description of “fruit” in the Concise Oxford Dictionary of Botany. It is not fruit by virtue of what? ] The next time you hear someone argue like this, you can refute TA with the following story with confidence. The story begins with a lawsuit. The plaintiff Nix imported some tomatoes from the West Indies. Hedden, a customs broker in New York Port, imposed a vegetable duty on him. At that time, In order to protect local vegetable farmers, Tariffs on vegetables are relatively Read More …

It is a custom in many places to shave one’s head at a full moon. I think that when children grow up, their hair will be thick, black and bright. But this is not the case. The growth cycle of hair is generally 2 ~ 5 years, and then enter the resting period, gradually shrink and fall off. The shaved head at the full moon, even if it gives birth to thicker hair, these thick hair also naturally falls off as early as 3 to 5 years old, and cannot have what influence on adult hair. Moreover, the baby’s skin is thin and tender, sensitive to shaving stimulation, and it is easy to cause local redness after shaving. Full moon Read More …