RonaldElisp

Stellatoima, 16 апреля 2021 г.

Scientists have found a new method of fighting antibiotic-resistant bacteria
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Stress often causes bacteria to form biofilms. Stress can manifest as a physical barrier, ultraviolet light, or a toxic substance such as antibiotics. The formation of these biofilms takes from several hours to days, and they can be of different shapes, sizes, colors, and textures depending on the type of bacteria. Being in a biofilm state protects them from harmful substances in the environment - biofilms have a unique outer wall with different physical and chemical properties than their individual cells. They can coordinate metabolism, slow down their growth, and even form an impenetrable barrier of wrinkles and creases. This is one of the ways they achieve high antibiotic resistance. Researchers from the United Kingdom recently studied the transition of the Hay Bacillus bacterium from a free-moving swarm to a biofilm as a defense mechanism and published what they did to combat its antibiotic-resistant properties in eLife.

To determine if their test strain was behaving like the others, they first ran stress tests on them. They tested the bacteria's response to the physical barrier, ultraviolet light, and antibiotics. The addition of a physical barrier led to the transition of bacteria from one layer to a multilayer layer, followed by an increase in cell density and the formation of multilayer islands near the barrier. Later, wrinkles formed on the islands near the barrier in the place where they began to appear initially.
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When they applied ultraviolet light to the swarm, they again observed a drop in cell speed and an increase in density. And after the scientists added a large dose of the antibiotic kanamycin, the bacterial cells formed a biofilm. The researchers then developed a strategy to combat this bacterial biofilm. They added kanamycin to the environment of a new batch of swarming bacterial cells and watched as the biofilm began to form. They then re-injected the antibiotic at a much higher dose than the first, just before the biofilm formation was complete. As a result, the partially formed biofilm was destroyed and bacterial cells died. This shows that antibiotic-resistant bacteria lose their resistance to antibiotics when they undergo a phase transition, right before going into the biofilm, where they will become much more resistant. Thus, with the correct administration of antibiotics, the bacteria can be attacked in their most vulnerable state and destroyed. The researchers believe that similar transitions from swarm to biofilm occur in other bacterial species. Their research may pave the way for finding more effective ways to control clinically relevant bacteria. For example, Salmonella enterica, which spreads into the bloodstream and is transmitted through contaminated food. Or Pseudomonas aeruginosa with multiple drug resistance, which after surgery causes infections in the blood, lungs (pneumonia) and other parts of the body and spreads in hospitals.
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Janiceger, 03 мая 2021 г.

The lack of a morning erection is not a cause for concern
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We asked the urologist-andrologist of the clinic of the medical center Sergey Sergeevich klass: they say, what do men most often ask you at your appointments? It turned out that every second patient asks a question about a morning erection. And the doctor was carried away — he told us a lot of interesting things: we read and try on ourselves, men! In fact, the lack of a morning erection is not a cause for concern. During sleep, there are three to five spontaneous erections, and nighttime ones are equated with morning ones: - normally, every day in the morning, there is no arousal for no reason, which lies on the bed next to it, and there should not be, especially after 25 years; - you can not notice spontaneous erections because they happen at night in a dream. Here is a real example: a patient comes in and wants to be circumcised. When asked about morning and night erections, he shakes his head: "No, it's been a long time." Okay, we're doing the circumcision, at the checkup.: "Wow, how often he wakes me up at night." In a dream, an erection occurs, the stitches are stretched, the patient feels and
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Symptoms of impotence Doctors identify six main criteria on the basis of which a man can be considered impotent: * if he is unable to experience sexual attraction; * if he is unable to achieve a sufficient erection, although he feels sexual desire;
• if he is unable to insert the penis into the vagina after the appearance of an erection;
• if it is unable to perform frictional movements for the required time;
• if he is unable to achieve ejaculation as a result of frictional movements;
if he is unable to experience an orgasm as a result.
Types of impotence There are two types of impotence – organic and psychogenic. Organic impotence is a physiological disorder. These include, for example, urological diseases, endocrine disorders, and vascular diseases. This pathology progresses slowly. Periodically, there is no erection, gradually failures become more frequent. With organic impotence, sexual attraction to a partner, a relative erection, sometimes persists
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Stellacag, 03 мая 2021 г.

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For example, the phrase "net profit" (accounting term) such programs are replaced by "clear revenue".
11.How to develop memory? 12 Secrets That Will Improve Your Memory

“I forgot! I forgot something! " How often do you say this phrase, even in your mind? But this "something" can be something important!

Most people sooner or later face the problem of poor memory. Or they are wondering how to improve it. What can you do to memorize more, faster and better?

All people are gifted with the ability to remember everything that surrounds them. Be it new people, their names, faces. Or, these are important things that should be done after a while. Or a shopping list and a friend's birthday.

Memory is a unique ability. It allows us to remember important things. It is necessary for any person, no matter what he does.
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We can often hear others say: "He was lucky, he has a good memory!" There is a share of delight and some envy in these words.

But I have good news! Memory can and should even be developed! Scientists have proven that certain working and living conditions help stimulate the brain to make it more productive. Good sleep, proper nutrition and regular physical activity work best on proper brain activity.

In addition, people do not at all think that memory - a good memory - is not only a gift from birth. No, to have a really good memory, it needs to be trained. Cicero said:

"The memory weakens if you don't exercise it."

But what if you follow all this, and you still can't remember an important phone number? How do you train your memory?

If we have memorized some information, it means that we have applied effective techniques for memorization. But if you didn’t succeed in remembering, it means that the memorization process has passed, it’s wrong.

Well, let's get down to memory training. And in a few weeks, maybe days, you will be able to boast of an excellent memory!
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TiffanyNig, 04 мая 2021 г.

CAUSES OF ERECTILE DYSFUNCTION
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The main causes of erectile dysfunction are various vascular diseases, diabetes, lack of testosterone and injuries. This disease affects more than 200 million men in Europe and America, and according to statistics, more than 50 percent of men over the age of 40 experience such problems and are at risk of eventual loss of potency.

In 80% of cases, erectile dysfunction is the result of diseases that are not related to mental activity (somatic).

age and age-related diseases;
neurogenic disorders at the level of the brain and spinal cord, peripheral neuropathies;
endocrine diseases and, first of all, diabetes mellitus;
diseases of the cardiovascular system (hypertension, atherosclerosis);
other somatic diseases (kidney failure, lung and liver diseases);
diseases of the genitourinary system;
bad habits: smoking, alcohol, drugs;
the side effect of drugs, and those that provoke the development of erectile dysfunction, quite a lot: a number of drugs of the group of antihypertensive drugs, diuretics, hypolipidemic, psychotropic.
The main causes of the above-mentioned are cardiovascular diseases and diabetes mellitus.
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Among the psychogenic causes of erectile dysfunction, various types of depression, stress and restless states should be noted. Erections in men do not occur at all where we see and feel them - they are born in the head. Erectile dysfunction is psychogenic in nature, and when it does not occur from excessive excitement, experts call this condition "the syndrome of waiting for failure". This is not yet a disease, a single "puncture" is almost the norm. It is bad when such a state takes root and becomes habitual.

A decrease in sexual desire against the background of severe physical or mental fatigue is also a normal protective reaction of the body. If you are tired, you should rest. Therefore, with increased loads, the body is protected by a decrease in sexual desire. This is so common that it has its own name - manager syndrome.
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Rebeccaobeby, 05 мая 2021 г.

Many pupils and students are pressured by the people around them when it comes to grades. With increasing competition for budget-funded places at the best universities in the country, this pressure is even more tangible. Is it really possible to study perfectly well? It turns out that yes! Here are some steps to help you do your best.
Get organized. Buy a separate folder and notebook for each item. Being organized allows for easier access to the information you need, which means it will become easier to study. Throw away old assignments and notes if you no longer need them. Always have a weekly schedule of lessons or couples, a notebook and a pen with you.
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Your workplace should also be organized, like any other place related to study and classes (for example, a desk at school). If your desk is occupied with unnecessary things, then it will be more difficult for you to decide to clear it, let alone study at it. In addition, in a mess it is much more difficult to find the right things, which can also interfere with your studies.
Make friends with smart people. More precisely, make friends with smart people and use your friendship to your advantage. Of course, many of your friends are already smart, but can you remember at least one time when you met outside of school or university to do homework?
Spend a lot of time with their company, even if you are just watching them do. Learn their good habits and learning habits. If you are in the same class or group, set aside time to discuss the course material at least once a week, rather than discussing your teachers and classmates.
Sit next to them in the class / audience. When you see your friend regularly reach out and answer the teacher's questions, you definitely won't be able to shift your attention to anything else.
Make friends with people who have already completed this course. Communicate not only with excellent students, but also with those who have already completed the program of your subject. Many teachers and professors give similar assignments and tests every year, and if your friends have assignments from last year, you are better off!
These pupils / students can also tell you in detail about the different teachers and their teaching style. Knowing ahead of time how to best communicate with your teacher will give you a clear edge in the classroom.
Use your time wisely. You are probably already tired of hearing this from your parents, but this moment is more relevant than ever if you want to study perfectly well. To be able to do everything in one short day - lessons, sports, music school, proper nutrition and sleep (yes, the last two points are also very important!) - you need to learn how to manage your time. But how?
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The first thing you need to do is create a schedule for each day. Prioritize your most important things and spend more time on them. Prioritizing this way will help you create a good schedule with ease. Of course, once you've made your schedule, don't forget to follow it.
Be realistic. For example, don't plan on doing eight straight hours every day. First, it's just unrealistic. Second, you’ll get so tired after the first day that the next day, you’ll likely decide not to get out of bed at all, or spend all day watching TV with a large plate of junk food.
Don't put off until tomorrow what you can do today! If you need to write an essay, start now. If you have a test or exam on the way, start preparing today. Even if you think you function better under the pressure of stress, do at least a small part of the work now. You cannot afford the time to worry about a failed assignment the night before the deadline.
Find a new place to study. If you are sitting at home or in a dorm, and the TV is always flashing in front of your eyes, you probably often break loose and watch TV instead of getting ready for class. To avoid this, start studying outside the home, such as in the library. It is important that the place is quiet and that there is nothing to distract your attention from your lessons. Have you ever caught yourself reading a few pages, but have no idea what exactly you just read? In order not to find yourself in such a situation, study in the library, where you can concentrate on the task and on nothing else.
At the very least, arrange for a space in your home specifically for class. You don't want to fall asleep every night feeling guilty about going to bed and not getting ready for a test! Free your desk or sofa / chair just for study. This tactic will help your brain get used to and be ready to learn when you occupy that “special” seat.
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Francesabelo, 06 мая 2021 г.

Urologist answered the most popular questions about pills for erection
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— In recent years, there have been more complaints with the problem of erectile dysfunction, but I can not connect this with the deterioration of health. Rather, this is due to the greater awareness of the population, access to medical resources on the Internet and the availability of counseling in urological offices. Patients have become younger, and this is also easily explained: the problem is more worrying for men of fertile age, and they are easier to see a doctor even with minor manifestations of erectile dysfunction.

As for the drugs currently available in the pharmaceutical market for improving potency, they can be prescribed to patients with different forms of erectile dysfunction as a means with proven effectiveness. There are no age restrictions.

How does an erection pill work?
- The principle of action of the pill is in the temporary effect on the biochemical processes in the erectile tissue, as a result of which the blood filling of the cavernous bodies of the penis increases. This vascular reaction occurs only under the influence of sexual stimuli, which is very important. About ten years ago, injectable drugs were used, causing an artificial erection without sexual stimulation immediately after being injected into the cavernous body. It was very uncomfortable.

How long does the tablet "work"?
- The effect of the tablets is different. On average, 3-5 hours, which is enough in most cases. Some new analogues work longer — up to 12-24 hours.

The duration of the action is a matter of choice. Many sexually active men choose one pill to keep fit all weekend. This is convenient: you don't have to hide anything, think about anything. Some patients report a long-term positive effect on the erection – up to 5-7 days, which may be associated with a psychogenic effect.

The quality of sex and orgasm is not reduced?
— The quality of sex, these drugs definitely improve, if the dosage is correctly selected, which reduces the likelihood of already minor side effects. All men strive for longer sex and shorter intervals between orgasms: for them, this is a confirmation of their masculine strength.

Men think less about the quality of the orgasm itself if a woman achieves satisfaction with longer sex. In addition, a multi-orgasm is always qualitatively better than a single one.

How often can I take the drug for an erection? Are there any side effects with prolonged use?
- Take the pill "on demand" about an hour before sexual intercourse, but no more than once a day. There are no side effects with prolonged use, the effect of addiction or a decrease in the effectiveness of the drug does not occur over time.

Is it possible to take a "sex pill" for a healthy man, for example, in order to prolong sexual intercourse?
- Of course. For healthy men, to achieve a longer duration of sexual intercourse or reduce the recovery time, you can take the pill without harm to your health, if there are no contraindications to taking the drug.
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The most popular pill for an erection today is not cheap. There are Belarusian analogues in a different price range. The effect is different?
- Analogues of the brand-name tablet itself work and are used. Belarusian versions of the drug are effective and do not cause complaints from patients, but are cheaper. I think this is the best value for money.

Are there any contraindications to the use of such drugs?
- Contraindications to the use, in general, one-taking nitrates for the treatment of angina. In this case, taking a "pill for sex" can be dangerous because of the syndrome of "stealing" the heart muscle and the development of a myocardial infarction. Here you need other means, with a less pronounced vascular reaction.

Are there similar pills for women?
- Female sexuality is based on and depends on a huge number of factors — one pill is powerless. A woman has too many" buttons " to push, and a man has only one. Therefore, the" female " way to increase sexual activity is love, and it does not fit into the shell of the pill.
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