Zamoření bytu štěnicemi - pozor na histamin

  • Posted on: 2 February 2022
  • By: admin
štěnice a histamin

Pokud štěnice napadnou váš byt, čeká vás nelehký úkol jak se jich zbavit. 

Štěnice domácí se množí velmi rychle, ve dne je prakticky neaktivní, v noci když lidé a domácí zvířata spí se vydávají na "výpravu" za krví.

Má se za to, že některé druhy štěnic by mohly přenášet např. bakterii Trypanosoma cruzi (původce Chagasovy choroby) případně bakterii Bartonella quintana (původce tzv. Zákopové horečky). Toto tvrzení se ovšem laboratorně nepotvrzuje.
Kousnutí a následné sání krve od štěnice ovšem způobuje různé závažné dermatitidy (kožní onemocnění) v reakci na přítomnost proteinu nitroforin ve slinách štěnic, který zabraňuje krevním destičkám ve srážení krve.

trus štěnic obsahuje velké množství histaminu

Některé studie tohoto nepříjemného parazita nyní ukazují na další problém, který vzniká po zamoření obydlí štěnicemi.
Vědci zjistili, že trus štěnic, který se běžně, při jejich výskytu, objevuje na místech, kde štěnice sají krev, nebo se zdržují, obsahuje velké množství hormonu (protein) histamin.
Histamin je u citlivých jedinců spouštěč nejrůznějších akutních zánětlivých reakcí jako je např. kopřivka, bušení srdce, průjem, anafylaktický šok, respirační potíže apod.

Vědci učinili pokus a na vzorku bytů z nichž některé byly zamořeny štěnicemi, jiné nezamořeny odebrali vzorky prachu v místnostech. Tyto vzorky potom testovali na zvýšenou přítomnost histaminu.
Výsledkem jejich zkoumání bylo, že byty, v kterých se štěnice nevyskytovaly obsahovaly stopové množství histaminu, pro člověka nepostřehnutelné.
V bytech, kde se štěnice vyskytovaly byly nameřeny hodnoty histaminu v průměru více než 54 μg/100 mg prachu. Toto množství je srovnatelné s uvádením množstvím histaminu v kysaném zelí, které se nedoporučuje při histaminové intoleranci konzumovat.
Vzorky prachu použité jako vzorek byly jemně prosáté a dá se tedy říct, že histamin se vyskytuje v tak jemné podobě, že jde prakticky o poletavý prach, který je velmi snadné vdechovat.

Na závěr vědci upozornili na fakt, že histamin se v této koncentraci v bytech vyskytoval i po dezinsekci prováděné vysokou teplotou - nad 50°C. Ani to nevedlo ke snížení jeho množství. Další poměrně důležitá věc je, že histamin je velmi stálý a ani po měsících nedochází k jeho degradaci.

zdroj:DeVries ZC, Santangelo RG, Barbarin AM, Schal C (2018) Histamin jako emergentní vnitřní kontaminant: Akumulace a perzistence v domácnostech zamořených štěnicemi. PLoS ONE 13(2): e0192462. https://doi.org/10.1371/journal.pone.0192462
 

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Its 'Advanced Pro Grip Lock' comes with a heavy responsibility metal lever providing most compression and assist.

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Leather belts are the means in which to go should you
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The different varieties of weightlifting belts differ primarily based in your lifting
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heavy lifts like squats and deadlifts. Its main aim is stabilizing your core
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These are the best to secure and adjust, however they'll
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When looking at belts, you really will measure each the width and
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She holds a bachelor’s diploma in dietary sciences from Pennsylvania State College and a master’s degree in scientific nutrition from NYU.

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Not to say, there are quite a few deadlift variations that can be utilized to target certain body components greater than others.
The deadlift is able to enhance athletic performance in quite so much of totally different sports activities as a
result of bettering the quality of the decrease physique's neuromuscular
system. In different words, performing deadlifts trains the
muscles to work higher collectively. As talked
about earlier, deadlifts mimic real-life actions, such as selecting
up heavy objects from the bottom.
Consider using lower than 60% of your one-repetition max
for the deadlift and evaluate if it is becoming. Problem your endurance by shortening rest intervals between units to
boost the depth of the exercise. When performing deadlifts for reps, it’s vital to go away
enough time between exercises in your body to relaxation and
recover. Therefore, select three days a week the
place you can include high volume deadlifts in your training plan, with a interval of forty eight hours between each session. It’s clever to each warm up and cool down when training and high rep deadlifts are not any exception. Lowering the load you'd
usually raise for deadlifts, and as an alternative focussing
on completing a high rep vary offers you ample time to improve
grip strength. A excessive rep deadlift usually means performing a deadlift set with 8 or extra repetitions.

Nonetheless, squats provide totally different benefits than deadlifts and
are also an essential part of well-rounded fitness programs
(1, 2). The standard deadlift is probably the most recognizable and well-liked form of deadlift, the place
you raise the barbell from the bottom with feet hip-width aside and arms gripping
the bar just exterior the knees. The entice bar, also known as a hex bar, provides a substitute for the normal barbell deadlift [4].
It permits for a extra upright posture and can be less taxing on the lower again. A sturdy grip is essential for many every day activities,
from opening jars to carrying luggage. Deadlifts assist girls develop a powerful grip, which might improve their performance
in numerous actions and enhance total hand energy.

The deadlift can simply be scaled and modified to range the
problem, so practically anyone can benefit from them.
Multiple deadlift variations exist to accommodate many targets and expertise ranges
Some of the most common deadlift variations embody the conventional, sumo and Romanian. The deadlift is ideal if you’re short on time as a result of it trains so
many large muscle teams simultaneously. As An Alternative of doing particular person workout routines for the
hamstrings, lower back, forearms, lats, and glutes, you'll have the ability to
work all of those muscle tissue with one movement. Since deadlifting increases
core strength, it has plenty of carry-over to different actions, similar to
leaping, and operating.
When viewing the workouts used&nbsp;by the vast
majority of lifters, individuals can usually raise essentially the most
weight with the deadlift. The deadlift, a compound exercise
that simultaneously trains multiple muscle groups,&nbsp;consists
of choosing an object from off the ground by way of
hip extension. The traps are a big back muscle that sits around your higher back
and neck. You may not count on this to be an important muscle
for performing a deadlift, but they really help stabilise
the shoulders as you move, Khan says. Deadlifts have a few of
the biggest practical carryover of all the standard lifts.
It’s a carry that needs to be done safely and with correct kind as not doing so could be dangerous.

This exercise engages your hamstrings, glutes, and decrease again, permitting you to get essentially the most out of your training program.
At Present, there are several types of deadlifts similar to the
traditional deadlift, the Romanian deadlift,
the dumbbell deadlift or the entice bar deadlift (1).
In today’s blog post we're going to focus on the hexagonal bar deadlift, an important exercise when beginning
to perform this motion and one which helps us be taught.
The deadlift not only requires hip extension however is primarily a
hip hinge train.
Don’t slow down your repetitions deliberately, however don’t be shocked if you must grind for 3-5 seconds
or longer to complete some of your heavy reps. The longer you stay
nonetheless after establishing, the much less probably you are to succeed.
If you all the time use straps, your grip will be weak relative to your
deadlift energy.
Most strength coaches agree that as far as the conventional deadlift,
you’ll get your best outcomes using 1-5 reps. If you wish to increase your quantity, perform extra whole units instead
of extra reps per set. However assuming you train sensible and use correct kind, deadlifts help to right muscular
imbalances, strengthen your again, develop muscular tissues that protect your spine, and make your tendons harder.
The key to elevated bone mineral density is performing weight-bearing exercises that load
the whole physique with exterior resistance. Deadlifts are among
the many best exercises for coaching your hip extensors. Your hip extensors include
the gluteus maximus and hamstring complex, that are generally targeted muscular tissues in health applications due to their functional
use and aesthetic attraction when properly skilled.

Deadlifts for reps have a quantity of advantages we’ll discover in depth further on this article, along with potential
drawbacks for this kind of coaching. It is not one thing you
should try to teach yourself on your own as a result of it's
something that requires distinctive technique in order to carry out
safely. Discover as a substitute an skilled coach who can direct
you in the right direction. In order to provide further support for the spinal column, your stomach muscles might need
to stay in a flexed place for everything of the motion. This will make
the lift simpler to make use of while additionally making it safer to
use. The "dead" portion of the name "deadlift" refers to the
reality that the load being moved might be at a whole
halt before it's lifted, which means that it will be lying immobile on the
ground.

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