First: Apart from genetic reasons, breast cancer and prostate cancer are closely related to the development of sex hormone levels in the body. Reducing the intake of exogenous sex hormones in daily life is an important measure to prevent these two cancers. For example, we should eat less foods with aphrodisiac effect and rich estrogen, and a high-fat and high-protein diet is also one of the factors leading to these two diseases. Therefore, we must balance nutrition, avoid eating too much high fat and sugar, quit smoking and drink less, and eat more soy products and fish.
Second: Exercise properly at ordinary times to avoid unnecessary radiation exposure. Although regular sexual life can't directly prevent cancer, beautiful * * * can make people feel comfortable, regulate the internal environment and reduce depression. Encourage women to breastfeed their babies.
Develop the habit of regular physical examination. Third: women under 40 years old go to the hospital for examination at least once every three years, and once a year after 40 years old, mainly for clinical palpation and * * * ultrasound examination. After the age of 40, men go to the hospital every year for routine prostate examination, including rectum and PSA.
2. What is the role of free screening for two cancers?
The large-scale public welfare activity "20 14 holds up half the sky healthily-screening two cancers with double ribbons" lasted for more than three months from February 22 to 5.3 1, and received positive response from the citizens. After the launching ceremony, the gynecologist of Wuzhou Hospital gave a public lecture on prevention of cervical cancer and breast cancer by Chinese and Western medicine for the female friends who participated in the activity that day.
Director Hu of Gynecology introduced the pathological process and early symptoms of cervical cancer and breast cancer in detail, vividly and vividly, and what small details can be done in daily life to prevent these two cancers. Director Hu pointed out: "Although these small details in life have a certain effect on preventing two cancers, screening two cancers every year is the most effective prevention for preventing cervical cancer and breast cancer, and it is also the best test for the health status of the previous year."
According to reports, in March, April and May, at 3 pm every Sunday, the gynecology department on the second floor of Wuzhou Hospital will hold a series of public welfare lectures.
3. Little scientific knowledge
Why do the stars twinkle? We see the stars shining, not because the luminosity of the stars has changed, but because of the occlusion of the atmosphere. The atmosphere is between us and the stars. When starlight passes through the atmosphere, it will be affected by the density and thickness of the atmosphere.
The atmosphere is not absolutely transparent, and its transparency will change according to its density. So when we look at the stars through it on the ground, we will see that the stars seem to be flashing.
2。 Why do people yawn? When we feel tired, a lot of carbon dioxide has been produced in our bodies.
When there is too much carbon dioxide, oxygen must be supplemented to balance the needs of the body. Because these residual carbon dioxide will affect our body's functional activities, then the body will send out a protective reaction, so we yawn.
Yawning is a deep breathing action, which will let us breathe in more oxygen and expel more carbon dioxide than usual, and it can also eliminate fatigue. 3。
Why can snakes walk without feet? Snakes have many scales, which are the outermost armor on their bodies. Scales are not only used to protect the body, but also to be their "feet".
When a snake crawls forward, its body will be S-shaped. Every scale outside the S-shape will tilt upward to help the snake catch the uneven road when it moves forward.
These scales cooperate with the muscles of the snake and can push the body forward, so the snake can walk without feet! 4。 Why do sunflowers always bloom towards the sun? There is a substance called "auxin" in the stem under the sunflower disk.
This substance has the function of accelerating replication, but it is anti-optical, and it will run to the backlight side whenever it encounters light. So when the sun rises, the stem of the sunflower immediately hides to the side of the backlight, as if the whole plant is bent in the direction of the sun.
5。 Why does the hair turn white when people are old? There is a substance called melanin in our hair. The more melanin, the darker our hair will be.
Without melanin, hair will turn yellow or white. When human beings reach old age, various functions of the body will gradually decline, and the formation of pigments will be less and less, so the hair will gradually turn white! 6。
Why do fireflies glow? Fireflies emit light because there is a luminous body at the end of their abdomen, which is filled with a lot of phosphorus-containing luminescent substances and luminescent enzymes, so that fireflies can emit flashing light. The purpose of fireflies is not only lighting, but also courtship, vigilance and trapping.
This is also a communication tool for them. Different kinds of fireflies emit light in different ways, frequencies and colors, so they can convey different information. 7。
Why do you growl when you are hungry? When you are hungry, you will purr. This is because the food you have eaten before has almost been digested. Although the stomach is empty, the gastric juice in the stomach will continue to secrete. At this time, the contraction of the stomach will gradually expand, and the liquid and gas inside will be stirred up and purr.
Don't be embarrassed by your stomach growling next time! Because this is a normal physiological action. 8。
Why can't ostriches fly? A giant ostrich, but they can't fly into the sky! This is not because their wings are useless, but because their feathers are too soft and their wings are too small to fly at all. In addition, the ostrich's muscles are underdeveloped and its sternum is flat, which is not conducive to flying.
Ostriches live in Africa. Because they have lived in desert areas for a long time, their bodies gradually evolved into what they are now in order to adapt to the environment. 9。
Why can't it go bad easily? Lunch meat, black bean shad, tomato sauce beans.
They are all delicious canned food, which can be preserved for a long time without deterioration. This is because the can is sealed, so bacteria can't enter.
When people make canned food, they pump all the air out of the canned food and then seal it. In the absence of air, even if the food inside is contaminated with a little bacteria, they can't survive or reproduce! 10。
Why do babies always cry at birth? Babies cry when they are born, not because they are unhappy, but because they are taking the first breath of air! When babies leave their mother's body and are born, the first breath of air will rush to their throats, violently impact the vocal cords, make them vibrate, and then make a sound similar to crying. 1 1。
Why do lizards keep playing backwards when their tails are broken? In order to protect themselves, many lizards also protect their eyes and ears; When some lizards are attacked, their tails will be broken due to the severe contraction of their muscles. Because there are still some nerves alive in the broken tail, it will keep bouncing, thus distracting the enemy and running away.
Don't think that their lives will end like this. In fact, it only takes a few months, and their tails will grow back and continue to live. 12。
Why is the squirrel's tail so big? Don't look at the relaxed mouse tail! When the squirrel jumps around the tree, its tail plays a great role. It can keep balance when the squirrel jumps to the tree to avoid falling and being injured.
In addition, this big tail can play a more protective role in winter, tightly surrounding the squirrel's body, which is convenient and practical. 13。
Why can't a person's thumb have one or three knots? The average person has five fingers, each with a different length. However, does anyone realize that besides the thumb, other fingers also have three sections, while the thumb alone has only two sections? It turns out that the number of joints is just the same as the other four fingers.
If it is three knots, the thumb will appear weak, so that it can't lift heavy objects; If there is only one section, it can't grasp things freely with the other four fingers! 14。 Why not tickle yourself? When others scratch ourselves, we will feel itchy and laugh constantly; However, when we scratch ourselves, we not only don't laugh, but also don't itch.
Based on our psychological preparation, the brain will send out a message that there is no danger, and the nerves will relax, so that they will not laugh and itch! 15。 Why is the sea mostly blue and green? Looking at the sea, it is often found that the sea water is blue-green.
However, when you pick up the sea water, you can only see it as transparent and colorless as old water. Original.
4. What are two cancer screening and double ribbon action?
Double Ribbon Action for Cancer Screening: 65438+ 10 month is * * * Caring Month every year in China, one of the purposes is to prevent and treat breast diseases as soon as possible and reduce the threat of breast cancer to women's lives.
The symbol of its publicity and publicity is "pink ribbon". Using this idea for reference, the double cancer screening for simultaneous screening of breast cancer and cervical cancer is marked by "double ribbons". "Double Ribbon Action" is a large-scale public welfare action that pays attention to women's breast health and cervical health. Pink Ribbon stands for "Pink Ribbon Campaign" and refers to the global breast cancer prevention campaign, which is currently the most influential fashion public welfare campaign in the world.
The blue ribbon represents the prevention and treatment campaign of cervical cancer advocated by the All-China Women's Federation, echoing the "Pink Ribbon Campaign". Beijing Double Cancer Screening: At present, there is no national special organization or special date and publicity guidance for "Double Cancer Screening" in China, unlike Pink Ribbon, which has only been held for a few years, but its awareness rate among the public is already high.
I believe that one day soon, double cancer screening will be a spark, causing a prairie fire. By 20 10, the "double cancer screening" activity in Beijing has entered its sixth year.
2010165438+1October1kloc-0/Beijing "Two Cancer Screening" added a new content, namely, screening for non-Beijing women (previously only Beijing women were screened). It is estimated that within five years, that is, by 20 15, 60,000 non-Beijing women will be screened out. Organizers: Beijing Women's Federation, Beijing Women and Children Development Foundation, Beijing Tianyi Breast Hospital; Health is the foundation of all-round development of mankind.
In order to help women enhance their awareness of self-care, improve their knowledge of disease prevention, and cultivate a healthy, civilized and scientific lifestyle, the All-China Women's Federation and the Ministry of Health jointly launched the national "two cancers" screening project for rural women in the pilot area 18-65 years old through publicity, health education and screening. At the same time, the "Double Ribbon in Action" campaign was launched in Beijing, focusing on providing free screening services for "two cancers" for foreign women working in Beijing. Beijing Tianyi Breast Hospital was designated as the first organizer of the "two cancers" free screening project.