Why are the voices of boys and girls different?

 Why are the voices of boys and girls different?

Why are the voices of men and women not the same? Why is every person's voice different? How can you identify a person just by hearing the voice?

This is a very interesting topic.

No matter how many people there are in the world, their voices are not uniform. Children born in the same house, from the womb of the same parents, do not have the same voice. There is something different in the voice. Moreover, male and female voices are very different.

Someone's voice is hoarse, someone's voice is melodious. Someone's voice is small, someone's voice is loud. What is the reason for such diversity in voice?

The sound we make or speak comes from the larynx in the throat. The larynx is called the larynx in medical language.

There are two chords in the larynx, between which the voice comes out through the middle of the air. In other words, sound or sound comes from vibration (vibrate) inside the vocal cords in the upper part of the trachea. The tongue and brain play a special role in speaking the voice that comes in this way in an understandable language or in a language that you want to express.

What is the position of the larynx?

The larynx is divided into two parts from the lower part of the throat. There are two vocal cords inside the larynx. Vocal cords are like strings. Sound is produced by the vibration of the vocal cords. It is located between the trachea and esophagus.

Why is the voice of men and women different?

Just as the physical structure of the face is different, the structure of the mechanism of women and men is also different. Women's vocal cords are shorter than men's. As a result, men's voices are usually thick due to long and thick layers. Whereas women's voice is a bit softer or melodious due to their longer larynx.

Likewise, not all men or women have the same voice. Just as the physical structure and face of a person are different, some are soft, some are sharp, some are pale and some are pale. Whatever the tone is, it is not a problem in itself, it is natural.

Why is someone's voice loud, someone's melodious?

If the structure of the larynx and the pressure on the larynx during breathing are high, a loud sound will be heard. If this pressure is low, the sound will be a bit mellow.

We say how melodious or sweet some people's voice is. In this way, their speaking practice is also one. According to the way people speak continuously, their voice may or may not be sweet. Our tongue, throat, facial bones and brain also play an indirect role in this.

Do people who speak loudly have problems with their larynx?

People who speak loudly and speak for a long time may have problems with the larynx.

Because when we speak loudly or for a long time, there is extra pressure on the larynx. Due to continuous friction, the problem of swelling of the flesh and water blisters occurs.

In the same way, talking in a loud voice can cause infection in the larynx.

6 ways to prevent house dust mites

 6 ways to prevent house dust mites

During the rainy season, when water enters from the window or the wall, the room becomes damp. When the humidity increases, not only the wood of the house, but also the walls of the house, ceiling and other damp places, clothes, stale food, books, shoes, etc.

Due to dust, the walls of the house look bad and become dirty and smelly. Therefore, these measures can be taken to prevent dust from coming to the walls of the house.

Apply ventilation

Ventilators should be made in the places where dew falls on the walls of the house. Fresh air helps to dry damp walls. Ventilation can be installed in rooms without windows or doors. Which prevents the air from flowing inside the house and falling on the walls and ceiling.

Keep the light on

There is a possibility of intrusion even in rooms with closed windows for a long time. In such rooms, there is no problem even if proper ventilation is arranged or windows are opened and cleaned from time to time.

A combination of house and land

When building a house, the surface of the house should be higher than the ground level. If the surface of the house is lower than the surface of the ground, the dew will get on the walls and floor of the house. In such a situation, the surface of the ground should be leveled and arrangements should be made to prevent water from seeping into the foundation of the house.

to repair

If you can prevent the house from becoming damp by removing the holes in the walls, roof, windows and pipes, and if you can maintain the place where the water seeps, then the dampness will be controlled. The main way to prevent hives is to not let the house and room get damp. Therefore, the water-soaked place in the house should be cleaned immediately and made dry.

Do not wear collar in rain

Painting and waterproofing should not be done on the walls during the rainy season to avoid getting wet. Because it rains during the rainy season, the color does not absorb the sun well, and when applying the color, the wall gets cold and takes time to dry. Because of this, there is a possibility of getting wet. Therefore, it is advisable to do these activities later than during the rainy season.

Use of water proof

Water proof can be used to avoid getting wet. One can be mixed with cement while plastering, while the other can be mixed with water-proof paint. Nowadays, many people wear it while plastering. But if you don't put it on it, you can put it on the wall as well. In addition to this, waterproof tiles and wall foam (like wall paper) can be used in the market today. It frees the wall from clutter and also makes it attractive. It is more suitable when used on the roof of the house or even on the roof.

Where does body fat go after exercise?

 Where does body fat go after exercise?

Exercise reduces body fat, but where does it go? This question may arise in the mind of many. A few years ago, 150 doctors, dieticians and physical trainers were asked questions about this topic.

There were three answers.

1. Fat is converted into energy and heat.

2. Fat turns into muscle.

3. Fat is converted into carbon dioxide and water.

Out of this, 147 people answered it wrongly. If you think the answer is 'A' or 'B' then it is wrong. Ruben Meerman, a scientist at the School of Biomolecular Sciences at the University of New South Wales, says many experts don't know the answer.

He says, 'Most people say that fat is converted into energy, which is wrong. In fact, this is against the laws of conservation of matter, which follow chemical reactions. Similarly, Meerman says that option 'B', i.e. the conversion of fat into muscle, is also impossible.

According to Merman's research published in the British Medical Journal in 2014, the correct answer is c. That is, fat is converted into carbon dioxide and water. According to research, water comes out of the body in the form of urine, sweat, breath and other bodily fluids. In which the main organ of the body, the lungs, has an important role.

Elaborating on this, Mirman wrote on TheConversation.com, "If someone loses 10 kg of fat, 8.4 kg of it comes out as carbon dioxide and the remaining 1.6 kg comes out as water." In other words, we are generally losing this much weight. The lungs play an important role in this reduction. Which we leave as breath.

Why were the doctors wrong?

Because only three of the 150 experts who were surveyed gave the correct answer to this question. Merman conducted a survey of this question among experts in Australia, America, Britain and some European countries, but the answer was wrong everywhere.

Also Merman's conclusion is based on the fact that what we eat should also include the amount of oxygen we take. For example, if 3.5 kg of food and water are consumed in the body, then we have also taken 500 grams of oxygen. We ate a total of four kilos. Therefore, four kilos should come out of the body. Otherwise, the weight will increase", says Meerman.

What to do to reduce obesity?

According to Meerman, it is necessary to remove carbon from fat cells in order to lose weight. The carbon we release when we breathe.

Meerman writes, 'This cannot happen because hyperventilation is caused by taking more breaths than necessary. Which can cause dizziness and fainting.

Therefore, he says that the only way to increase the amount of carbon dioxide from the body is to increase muscle activity.

What is the most effective solution?

Meerman says that carbon dioxide can be produced in the body in many other ways besides exercise. While standing, cooking, cleaning, walking, the body's metabolism increases three times.

If you want to lose weight, Meerman suggests eating less and exercising your body more.

Breast cancer causes and treatment

 Breast cancer causes and treatment

Recently, the problem of breast cancer in women is increasing. The exact cause of breast cancer cannot be said. 5 to 10 percent of these are also hereditary.

The Nepal Health Research Council conducted a study on breast cancer in seven districts of Nepal, out of which the number of women with breast cancer was very high in five districts.

Various studies have shown that women between the ages of 50 and 60 are more prone to breast cancer than others. In Nepal, breast cancer is more common among women in the age group of 40 to 50 years.

Symptoms

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The main symptom of breast cancer is swelling in the breast. Such a girkha is painless and grows. There are problems such as burying of nipples, discoloration, thickening of the skin, pus or blood flowing from nipples, and non-healing of wounds.

identification

Symptoms of breast cancer can appear very late. Therefore, if you want to detect breast cancer in time, you should not wait for the symptoms. Women over 40 should have a mammogram once a year. If mammogram is not available, then ultrasound should be done.

Women over the age of 20 should have a breast exam every year. If you do the examination in this way, it can be detected before it occurs and timely treatment can be provided.

If the disease is diagnosed at the last stage or if there is a complicated type of cancer, the patient may die during the treatment.

Treatment

All cancer hospitals in Nepal provide primary treatment for breast cancer. But serious treatment is only available in some hospitals.

Earlier, in case of breast cancer, surgery was done by cutting off the breast, but now, in hospitals including Nepal Cancer Hospital, treatment is done by preserving the breast as much as possible. Which is called brace conserved surgery in medical language. 40 to 50 percent of patients are operated on with breast preservation. Apart from that, breast cancer should also be treated. Sentinel biopsy is done by giving a small amount of medicine to remove the cyst. It is checked whether it has spread to other parts of the body.

But if there is more than one girkha in the breast, then the breast should be cut off and thrown away. Similarly, in case of inflammatory breast cancer (a rare and complicated cancer), even if the disease is complicated and the skin has been eaten away, the breast must be removed. In this way, even if the breast is cut out, tissue can be brought from other parts of the body and placed in the cut place.

After treatment, patients can return to normal life

Cancer is not the end of life, it is the beginning of a new life. Many women who have recovered from cancer are living normal lives.

Five to 10 percent of breast cancer patients have a chance of recurrence after treatment. Therefore, you should not be confident that the treatment has been done. After the treatment of cancer, breast examination should be done every 3 months for two years and every 6 months after the next two years. From this, it can be seen whether there is a possibility of the disease reoccurring.

How much does the treatment cost?

Breast cancer screening does not cost much. The government pays for the treatment. If cancer target (targeted) therapy has to be done, the treatment costs will increase.

This increases the cost of using proteins that control how cancer cells grow, divide, and spread, and when the cured cancer comes back.