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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While it is potential to get these vitamins from vegan sources or dietary supplements,
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Vegan powerlifting is a rising pattern, with many elite athletes in power sports adopting a plant-based
food plan. This article will define the dietary requirements for
a vegan powerlifter, together with information on protein sources, calorie
consumption, and supplement suggestions. Nutritional habits affect performance immediately or not directly
in weight class included sports.
She teaches that anybody can obtain their well being and health objectives through dedication and assist.
She is a three-time British Champion and one-time European Champion.
Sophia has competed at the World Championships
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For Baboumian and different athletes, one of the essential features of food regimen is making certain sufficient energy are consumed.
In his 2018 TEDx talk, Baboumian noted that being a strongman who didn’t eat any animal merchandise
was unheard of at the time. He has also said that being vegan is the finest way during which he implements constructive change in the world.

Sahy works as a private coach in Brussels and presents online
coaching in powerlifting and common health by
way of her website, On-line vegan private training and diet
coaching. Build health habits you may nonetheless have at the
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He’s also deadlifted thrice his bodyweight with 360 kg.
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I additionally take heed to couple of Icelandic podcasts to pay attention to
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In this unique interview, Katya Gorbacheva, a famend vegan powerlifter and coach, shares her journey into
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This barbell upright row different is definitely four dumbbell exercises rolled into one to make a
complex that hits your delts and traps from multiple angles.
You don’t want heavy weights for this complex,
but it ought to still challenge your muscle tissue and
make them burn. It’s the ideal shoulder exercise finisher and
ideal for these occasions you need to work your delts and traps, but solely have
a few minutes to train. Although the upright row is an extremely efficient train to build
upper body strength and muscle mass, the vertical pulling path
of the movement makes you prone to shoulder impingement.

The greatest upright row various for shoulders is the dumbbell lateral elevate and
the band lateral elevate. Both of these shoulder workouts are
one of many nice alternate options that exist for the upright
row. The dumbbell lateral raise is another for an upright row that works the posterior, anterior,
and lateral deltoids. This exercise is nice for weightlifters and
bodybuilders who need to isolate their shoulders for additional growth.

Whereas you shouldn’t be scared out of integrating the upright row into your routine, there are several mistakes you’ll must look out
for. Though it could be tempting, don’t enhance the load
till you’re absolutely in charge of 12 reps, as this can improve the possibility of harm.
Your arms are locked into position in the course of the motion,
which causes your higher arm to rotate internally within the shoulder and doubtlessly pinch a tendon.
However if you’re trying to avoid the chance totally, sticking to the alternate options is the
safer wager. By utilizing exercises that counterbalance these issues, shoulder well being is protected for the
lengthy run, decreasing harm danger and ultimately improving athleticism.
As a question of threat vs reward, there’s higher options than the upright row.

You additionally don’t need to go so heavy that you simply can’t hold the dumbbells barely away out of your sides.

Keep In Mind, hypertrophy can be stimulated just as properly
with larger reps and lighter weights as it could with decrease reps and heavier
weights. Then you step again from the pulley machine, and pull the bar towards you
at roughly a 45-degree angle, somewhat than straight up and down. That is, the upper arms come no greater than the point
the place they’re parallel with the floor.

But on the opposite hand, it’s not the greatest exercise on your shoulder joint.

This is particularly true with&nbsp;close-grip upright rows
or when pulling too excessive. The upright barbell row is a vertical
pulling exercise where the bar is at a lifeless hold at arm’s size and solely using
your upper physique, you row the barbell up in the course of
your collarbone. It types the premise of Olympic lifting
workout routines, such as the clean and snatch. Although the one
arm dumbbell power snatch is performed with one arm at a time, it nonetheless includes
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must pull up and back (working the lateral delt) while the scapulae drift upwards to complete the pull (targeting the traps).

There’s no purpose to push by way of ache, especially when there are many different workout
routines that may build the identical muscular tissues safely.
A slight variation of the dumbbell lateral raise, using cables adds fixed rigidity all through the movement, giving your muscle tissue
an even higher workout. What we do know from the research though is
that because the grip will get wider, the muscle activation changes
considerably. A broad grip generates extra activation within the traps and rear deltoids,
and the slim grip reduces activation of
these and prompts the biceps brachii extra as an alternative.

Unlike upright rows, which may place undue stress on the shoulders, pull-ups allow for
a pure range of movement, making them a safer alternative for people with
shoulder points. Where upright rows are a vertical pulling train, cable face pulls are a horizontal
pulling exercise. This transfer works your middle traps,
rhomboids, posterior deltoids, and biceps, and while that’s not exactly the identical muscle tissue as upright rows, it’s shut sufficient
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