Por Pedro Díaz, Presidente y Editor de Sol y Mar Magazine
Fotos: Dr. Martin Aróstegui
Leonardo Calzadilla Chávez (La Habana, 1966)
Consagrado por haber sido el creador de las últimas 10 ediciones del Torneo Internacional de la Pesca de la Aguja Ernest Hemingway, el escultor y orfebre Leonardo Calzadilla Chávez (La Habana, 1966) se ha posicionado en el mundo de las artes plásticas a partir de una formación de oficios tributarios a su perfil que ha transitado, tanto en Cuba como en México, desde las técnicas de taladrado, fresado y buceo hasta el diseño, platería repujada, cincelado y alambrería artística, amén de otras igualmente asociadas a la orfebrería y la escultura.
En particular, para confeccionar las piezas con picos del emperador (sword fish), usado para los trofeos del referido Torneo y de agujas (marlin), al igual que de huesos de vaca, vértebras de tiburón, tarros de chivos, madera o cualquier material que permita ser moldeado, utiliza principalmente las técnicas de bajo relieve y el tallado tridimensional de algunas muestras; todas elaboradas manualmente con el concurso de herramientas e insumos tradicionales.
Las maderas empleadas por él son: yaba, caoba, jocuma, jiquí, ácana, sabicú, júcaro, majagua son recuperadas de demoliciones, lo que le da un cierto matiz ecológico muy actual a su obra al prolongar la vida útil de esas materias primas, a la par que preserva el medio ambiente.
En su faceta de orfebre el versátil artista explota las técnicas de la joyería –fundición, laminado, trefilado, calado, soldadura, grabado al brillo y pulido y aplica a su vez el engastado, cincelado y repujado, incorpora también el trabajo de piedras semipreciosa. Se vale además de la alambrería artística, técnica milenaria usada por el hombre por los siglos de los siglos.
Cobre, bronce, aluminio, acero inoxidable, hierro, alpaca y plata son algunos de los materiales utilizados, así como cualquier otro metal que pueda transformarse en prendas, frascos, broches y otros objetos utilitarios, bellos y artísticos que recrean la vista humana y el espíritu, sobre la base del propio principio del reciclaje y la concesión de otra vida útil.
Una decena de donaciones al proyecto Rutas y Andares de la Oficina del Historiador de la ciudad de La Habana, congregaciones de plateros y otras instituciones culturales obran en su aval.
Tres exposiciones personales y casi sesenta muestras en concursos, eventos y exposiciones colectivas, en hoteles, museos y galerías; y más de treinta desfiles en vivo a manera de performances, en franco ascenso desde el 2003 a la fecha, confirman su quehacer artístico.


























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With larger doses, your metabolism works to
interrupt down extra of the steroid at its natural rate of metabolism.
Larger doses may end up in slower hormone metabolism because the body
works more durable with its available enzymes and other substances concerned in the metabolic process.
This can lead to an extended detection time compared with taking lower doses.
If you do start to experience Tren cough, attempt to keep calm and breathe
slowly and deeply. In most circumstances, the symptoms will resolve on their very own within a couple of days.
Nevertheless, when you develop issue respiratory or a fever, it’s essential to stop using Tren and seek medical attention instantly.
In abstract, trenbolone causes smaller breasts by binding to the androgen receptor to
reduce the level of estrogen receptor alpha mRNA,
lowering the level of progesterone receptor mRNA, and by
inhibiting the action of aromatase. Moreover, trenbolone inhibits the motion of aromatase, an enzyme that converts testosterone
to estrogen. This additional reduces the amount of estrogen in the body and
causes smaller breasts.
Doctors might expertise ethical, ethical, legal or sensible limitations, making them really feel uncomfortable to verify and treat sufferers who’re continuously jeopardising their well being for a trigger they can’t relate to.
Whenever healthcare is provided to lively AAS abusers, we
advise to ponder on these issues and to plot an individually tailor-made
protocol, describing very clearly the kind and extent of the care we are willing to supply.
It isn’t a surprise that gaining muscle mass and power are an important motives to
start out AAS. Power training with a well-structured
routine can result in vital features in muscle mass and efficiency.
Legal dietary supplements like creatine, whey protein,
and beta‑alanine have confirmed advantages for muscle
growth and pose far fewer health risks in comparability with anabolic steroids.
Earlier Than you reach for that vial, you deserve a clear picture of what could occur to your physique.
The reality is, anabolic steroids can deliver quick gains, however in addition they carry a laundry
list of side effects—some gentle, many
severe, and a few that could be life‑threatening.
Before taking a closer look at some of the explanation why
people use anabolic steroids and the potential unwanted aspect effects of anabolic steroid abuse, it’s
price explaining exactly what they are. Nearly one-third of people who misuse anabolic steroids become depending on them.
That means over time it starts to take larger and extra frequent doses
to get the same results.
Males may develop gynecomastia (breast tissue growth) and expertise testicular shrinkage, whereas
girls might discover excessive hair growth and irregular menstrual cycles.
However there isn’t any evidence that any of these methods truly reduce side effects and
harms from taking anabolic steroids. However, it is unlawful to possess,
import or export anabolic steroids if it is believed you’re supplying or selling them.
The penalty is a vast fantastic, or even a prison sentence
of as a lot as 14 years. They can also be imported or exported, as long
as that is carried out in particular person. This means they cannot be posted or delivered by a courier or freight
service.
In three of the studies, the volunteers reported larger
feelings of aggression and irritability, though the consequences diversified widely between individuals.
A 2021 study famous that high-dose use of anabolic steroids is linked to
brain and cognitive abnormalities and that long-term high-dose use can negatively
affect mind aging. Roughly three to 4 million individuals between the ages of
13 and 50 are believed to have used anabolic steroids.
Of these people, an estimated a million have skilled steroid dependence.
Share of individuals of the HAARLEM research that used one
of the below talked about androgens during one cycle of anabolic
steroids (based on label information). We have found that
isotretinoin, higher often known as Accutane, might help bodybuilders who are
suffering from pimples however want to expertise the advantages of trenbolone (or
different androgenic steroids).
Performance-enhancing steroids are medicine which
have each physical and mental unwanted effects.
But it’s normally found in smaller amounts, where it’s
used to maintain bones robust and sexual perform wholesome.
From the steroid scandals that plagued major league baseball to the jokes that surround steroid unwanted aspect
effects among weightlifters and bodybuilders, utilizing steroids doesn’t take pleasure in a good reputation. TRT is only secure for people with clinically low testosterone levels.
It is difficult to estimate the prevalence of steroid misuse within the United
States as a result of many nationwide surveys that ask about drug use don’t embody questions on steroids.
However, data on steroid misuse among young college students are available
from the NIDA-supported Monitoring the Future Survey.
This means you’ll have the ability to crave the drug, require extra to get the identical impact, and have withdrawal
signs if you suddenly cease taking it.
Steroid injections assist enhance your natural hormones’ anti-inflammatory
and immune-suppressing power. Biochemically, this expresses
itself in relatively small elevations of blood aspartate aminotransferase
(AST), alanine aminotransferase (ALT), lactate dehydrogenase (LDH) and gamma-glutamyl transpeptidase (GGT) (99) values.
Not Often, AAS-induced hepatotoxicity would possibly present
itself in jaundice and pruritus (100, 101). With such clinical displays, elevated bilirubin values are additionally to
be anticipated. Other reviews in literature have additionally documented peliosis hepatis (102,
103), hepatocellular carcinoma (104) and adenoma (105, 106) in affiliation with AAS use.
The incidence is probably (very) low and a firm
causal link has not been established.
References:
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Many customers additionally add pure test boosters like Swolverine
DHEA or ZMT to support recovery, sleep, and libido. Injectables
are usually safer over the lengthy term, significantly when it
comes to organ stress, hormone regulation, and blood lipid management.
Orals are inclined to have a extra extreme impression on ldl cholesterol and blood stress.
Injectables — although nonetheless suppressive —
generally trigger less drastic shifts, especially when combined with cardiovascular support such as
Swolverine Krill Oil. Oral steroids require no injections, making
them much more approachable for these new to
anabolic use. This convenience is often seen as a significant benefit in both clinical and non-clinical
settings.
When we discuss together with the sex hormone testosterone in a
steroid cycle, it’s referred to as exogenous testosterone.
That is an exterior artificial testosterone supply within the
type of one of many testosterone ester compounds above (although there are tons of others, these are
essentially the most generally used esters).
In the case of the latter, the dose of testosterone is significantly decrease and at just sufficient
to take care of a healthy degree of this crucial male androgen hormone during your cycle.
Let’s dig deeper into why including testosterone in every steroid cycle is essential.
Tbol is a steroid that is not extremely valued by bodybuilders however extra so by efficiency athletes, because of its ability
to enhance muscle endurance, strength, and recovery.
For slicing purposes, the next dosage holds little benefit
but the next threat of unwanted effects.
When ladies take Anavar at 10 mg per day, we regularly see them expertise muscle gains within the first 10 days.
A woman taking 10 mg of Anavar per day has a more highly effective impact than a person taking 20 mg of Anavar per day.
This is due to men producing roughly 20x more testosterone compared to girls (24).
All The Time prioritize your well being and seek the advice of with a healthcare expert earlier than considering any oral steroid
treatment. Bear In Mind, the «best» oral steroids aren’t a one-size-fits-all solution and their
use should be approached with warning and a radical understanding
of potential dangers and advantages. Oral steroids are not meant for bodybuilding or efficiency enhancement.
Utilizing them for these purposes can result in critical health dangers, including liver damage, heart issues, and psychological adjustments.
This is a non-aromatizing anabolic steroid carrying no estrogenic
or progesterone exercise. Methyldrostanolone or Superdrol, while
it did not seem available on the market until 2005 just isn’t a new anabolic steroid.
Syntex first created the Methyldrostanolone hormone
in 1959 concurrently Drostanolone (Masteron) and Oxymetholone (Anadrol).
Nonetheless, the Methyldrostanolone hormone by no means received a pharmaceutical push like the opposite two hormones.
The exception could be its inclusion in Dimethazine; a compound that metabolically dissolved and transformed to Methyldrostanolone publish administration. As we dive into the Superdrol compound,
as you may have already guessed we will discover it is extremely similar to Drostanolone or the popular anabolic steroid Masteron. Sure,
legal alternatives like CrazyBulk D-Bal and Testo-Max present muscle-building benefits much like
steroids with out the dangers or legal concerns.
To improve the effects of Primobolan, many customers select to
stack it with other compounds. This mixture can enhance hormonal assist and improve the body’s capacity to develop muscle while Primobolan is in use.
However, it’s essential to carefully determine the dosages
for each compounds and monitor the method intently to
ensure safety and effectiveness. Girls generally require decrease doses of Anavar because
of their elevated sensitivity to androgens.
We have had instances of Anadrol inflicting gynecomastia via the direct stimulation of estrogen receptors
in the mammary gland. Gynecomastia (gyno) is
when extra breast tissue begins to kind in a male. Customers with high blood pressure or a historical past of heart illness in their family ought to chorus from
utilizing Anadrol.
This could presumably be the Best All Natural Supplements for Athletes stack ever for chopping – it actually was for me!
All three compounds combine to deliver a hard and ripped physique, and
so they can do this at fairly free doses thanks to the fantastic means they all work together.
You can expect impressive energy positive aspects,
which can, in turn, enhance your efficiency and capabilities, which all result in bigger,
faster positive aspects. 20lbs of mass isn’t out of the
question by the tip of the cycle, however you’ll want to pay
attention to controlling fluid weight for finest outcomes.
Mass and power increases are the game’s name right here, and you will discover them considerably.
This appears like a quite simple cycle at first glance,
as you are going again to basics with only a single testosterone compound.
However the secret is the excessive dosage you’ll be using; in fact, it’s thought-about an extreme dose, and that’s
why solely advanced customers should even think about this cycle.
One of the difficulties in testing for anabolic steroids, versus recreational medication, is
that hormones like testosterone and DHT are found naturally within the body.
Effective efficiency drug testing, due to this fact, needs to be
able to differentiate between the traditional presence of steroid hormones and those who
exist as a end result of exogenous steroid use. Whereas this may be comparatively simple to
detect in females who have naturally very low ranges of testosterone, in male customers, it must be undertaken more fastidiously to avoid false positives.
What we now have to recollect when it comes to females using
anabolic steroids is that you are introducing male androgen hormones into your body at levels a lot larger than would ever be produced
naturally. One distinction many users discover is that NPP is slightly weaker in its actions, including the nice and dangerous effects.
So usually, there are fewer positive aspects and
power and lowered water weight and suppression. A bonus
is joint assist; for some of us, that is the main reason to add NPP to the cycle.
Nevertheless, we understand some customers favor the comfort
of swallowing a tablet quite than studying the method to inject (which
can be painful and harmful if done incorrectly).
Also, there’s a threat of users contracting HIV or hepatitis by
way of intramuscular injections if needles are shared.
Injectable Dianabol is significantly less hepatotoxic in our testing, as liver enzymes won’t rise
as much; thus, the risk of liver injury is considerably decreased.
The size of time you can take oral steroids depends on the situation you might be being treated for and your particular person response to the treatment.
For some circumstances, oral steroids may be used for a short time period, whereas
for others, they might be needed for an extended period.
Many well-known athletes admit that their profession achievements would be
much lower if they did not have entry to anabolic and androgenic steroids.
These days, it’s scientifically established that each one
trendy steroid merchandise used for sports (to develop muscle tissue or to increase endurance) have each anabolic and androgenic properties.
Our on-line retailer offers athletes reliable anabolic
and androgenic steroids that outperform all rivals. In our experience,
Turinabol is a milder steroid in phrases of
unwanted effects, presenting less toxicity to the liver and heart than Winstrol.
However, whereas testosterone is converted into the more potent androgen DHT by 5α-reductase (21), the conversion of nandrolone into DHN yields an androgen with considerably decrease binding
affinity for the AR (77, 78). Thus, whereas testosterone’s actions may
be amplified in tissues expressing 5α-reductase, nandrolone’s actions might be diminished (21).
On the basis of this metabolism, the combination of a 5α-reductase inhibitor with nandrolone appears significantly misguided.
Anabolic steroids are commonly abused by human athletes to
construct muscle and enhance power. The medication are
additionally utilized in livestock to augment muscle mass, and they’re typically given to
racehorses to increase stamina and heighten performance.
Understanding the broader implications of prenatal androgen exposure is especially relevant given the rising prevalence of neurodevelopmental disorders,
corresponding to ASD and a focus deficit hyperactivity dysfunction (ADHD), in modern populations.
This underscores the need of investigating the effects of androgen publicity throughout crucial windows
of fetal growth and elucidating the underlying pathophysiological mechanisms concerned.
Effects of excessive androgen ranges in amniotic
fluid or maternal androgen supplementation on offspring health in people
or animals. For instance, some individuals report feeling aggressive
or hostile after using steroids, while others expertise feelings of
paranoia or extreme irritability. These changes in temper and behavior may be very dangerous, especially in the event that they happen whereas someone is taking steroids for performance enhancement.
If someone exams optimistic they are often disqualified from competing for sure
intervals of time, and even banned for all times.
Alterations in telomerase activity are at the basis
of stanozolol-induced DNA-damaging effects, and AAS results are linked to dosage and frequency of administration (kara et al., 2017).
In ladies, AAS use has been linked to cardiovascular impairments, with
studies in feminine rats exhibiting decreased vascular reactivity, suggesting
sex-specific vulnerabilities. In goal tissues, the 5-alpha-reductase enzyme transforms circulating testosterone into 5-α-DHT,
which is predominantly aromatized by the aromatase enzyme into estradiol
(Smith and Batur, 2001). «We have to coach folks,» says
Thomas O’Connor, aka the «Anabolic Doc,» who specializes in patients
looking for restoration from anabolic-steroid use. O’Connor does not
advocate the usage of any of those medicine and has dozens of horror tales from sufferers to support his position—including, in extreme circumstances, dying.
And Fakhri Mubarak, Como melhorar a definição muscular para Sr. Olympia prep coach who speaks
openly about his own steroid use, strongly recommends finding a health
skilled you probably can work with if you do choose to use efficiency enhancers.
Most of the antagonistic results of anabolic-androgenic steroid (AAS) use are dose dependent, and a few are
reversible with cessation of the offending agent or brokers.
Important signs, together with coronary heart
fee and blood pressure, and basic chemistries, similar to sodium, potassium, hemoglobin, hematocrit, BUN (blood urea nitrogen), creatinine, hepatic, and lipid profiles, should
be monitored rigorously. Monitoring these parameters will assist the clinician to determine
drug selection, remedy dose, and duration, and can assist to alert
the prescriber to doubtlessly severe antagonistic effects that necessitate the
discontinuation of therapy. In Accordance to this review, the misuse
and abuse of anabolic androgenic steroids (AAS) can result in detrimental
results on numerous tissues and organs throughout the physique.
The mechanisms commonly concerned in AAS-related
damage embrace oxidative stress, apoptosis (programmed cell death), and alterations in protein synthesis.
AAS users somewhat generally expertise erectile dysfunction (65),
with 8% of topics within the HAARLEM study reporting it at baseline
and 12% reporting to have skilled it throughout AAS use.
Even although solely 12–14% of androstenedione is converted peripherally
to testosterone (Horton and Tait, 1966; Bardin and Lipsett, 1967), this amount accounts for about half the circulating testosterone within the women. There are modest-to-large will
increase in circulating testosterone following androstenedione administration to girls (Leder et
al., 2002; Kicman et al., 2003a; Bassindale et al., 2004; Brown et al., 2004).
Ladies who chronically administer giant doses of weaker androgens that can be transformed to stronger steroids would be anticipated to undergo
from virilizing results. In 2004, the FDA (Food and Drug Administration), as part of
its public well being mission, despatched warning letters to 23 firms in the Usa requesting
them to cease distributing androstenedione as dietary supplements (FDA, 2004).
Steroid customers often discover themselves caught in a
whirlwind of mood swings that may make a young person look emotionally stable by comparability.
The next, you’re plunging into the depths of depression, questioning your very existence.
Steroids are a broad household of molecules that may
cause quite so much of effects relying on the kind and where they bind within the
physique. Hypogonadism is incessantly observed in individuals
who abuse AAS and ought to be thought of when AAS use is
suspected. Of those in treatment, 86% said they initiated opioid use to counteract insomnia
and irritability attributable to their steroid use.
For one, many individuals abusing AASs have carried out so in relative secrecy, and many have been reluctant to engage in valid medical research.
Another drawback is the lack of a standard when performing research due to the huge numbers of agents which may be bought worldwide
on the black market and their relative efficiency.
Many counterfeit merchandise are bought and used, which
complicates the study of abuse. The endocrine system has a
outstanding array of checks and balances that make positive the human body is at
or close to homeostasis at any cut-off date. Interruption of one suggestions system has
been shown to supply modifications in different hormone suggestions techniques by
way of direct receptor modifications, in addition to through competitors
for common enzymes and metabolic pathways.
Studies have shown that AASs bind to glucocorticoid, progesterone,
and estrogen receptors and exert multiple effects.
Whereas not a well being issue, hair loss can be distressing
for younger steroid customers. Masteron won’t give you estrogen pain and can lead to elevated free testosterone,
with users usually reporting enhanced libido as a result.
On the opposite hand, Masteron does have some androgenic downsides, so hair loss and potential prostate progress could be issues, particularly when using
Masteron for a longer term. Because other elements will affect the half-life of any steroid, together with your metabolism.
Nonetheless, the approximate half-lives that are recognized for all our
generally used anabolic steroids provide a strong base to
plan your cycles on. Enhanced protein synthesis can even help in recovering and preserving current muscle tissue.
Androgen receptors in the muscular tissues obtain the steroid,
and as quickly as inside the muscle cell, the steroid can further stimulate protein synthesis17.
«The increased threat of cardiovascular disease is amongst the most serious consequences of steroid use,» says Sean Byers, MD, a medical adviser in Los Angeles for Well Being Report Stay.
The liver is the most important organ in the body and it
very important for filtering dangerous toxins
found in the blood. As properly as this, the liver will retailer specific vitamins such as minerals and vitamins wanted for the body and managing the levels of certain chemical substances which include sugar, cholesterol and proteins.
If youthful folks corresponding to youngsters who still have some
rising to do, use steroids, these medicine are capable of prematurely close the bone plates for growth, thus resulting in stunted growth.
Anavar only produces moderate will increase
in lean mass; hence, why it’s used for chopping.