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Thyroid Disorders Prevention

The best prototype of primordial prevention of thyroid disease is adequate iodine nutrition for prevention of iodine deficiency, which is the most preventable cause of mental retardation. Approximately 1.6 billion people worldwide are at risk of iodine deficiency disorders (IDD).

Соотношение кортизол/ДГЭА-С

Cortisol/Dhea-S Ratio Of Longevity

Cortisol/Dhea-S Ratio Of Longevity Read More »

A complex interaction between cortisol and dehydroepiandrosterone-sulphate (DHEA-S) is crucial in the stress system balance. In particular, significantly higher or lower cortisol/DHEA(S) ratios have been associated with depression and aggression. In general, DHEA-S levels affect various body systems, as well as prevent aging (Chahal and Drake 2007). That is why the Cortisol DHEA ratio is a very informational indicator, which, along with other indicators calculated in Healsens, provides important information about human health. Thus, using the ratio of cortisol / DHEA-S, you can assess body responses to exercise or evaluate mental health. Another benefit is that you can check your cortisol and DHEA-S levels at home. This article was last reviewed by Svetlana Baloban, Healsens, on January 24, 2020. This article was last modified on 4 March 2021. How Cortisol and DHEA Sulfate Affect the Body Let’s start by looking at how cortisol and DHEA-S affect overall health. Dehydroepiandrosterone (DHEA) and cortisol are produced in the adrenal glands and are both derived from pregnenolone. So, DHEA and DHEA-S production reaches its peak at the age of 20–30 and then declines progressively with age. When it comes to cortisol levels, while some studies show that cortisol increases with age, others do not support this observation. However, everyone agrees that the reduction in DHEA-S entails disruption of various physiological systems. Stress Level As mentioned above, DHEA and DHEA-S play a protective role during acute stress as an antagonist to the action of the stress hormone cortisol. In turn, cortisol also helps to effectively manage stress. Let’s see how this happens. About 15 minutes after a stressful situation, cortisol levels rise and remain elevated for several hours. This marks the onset of stage 1. During this stage, there are elevations in cortisol with no corresponding changes in DHEA. Subsequently, glucose is mobilized, non-essential organ systems are suppressed, and inflammation is reduced. All of these physiological responses collectively enable the body to effectively cope with stress. However, in cases of chronic stress, this adaptive reaction can take a catastrophic turn: cortisol loses its ability to function normally. This transition ushers in stage 2. In this latter stage, the persistence of stress leads to a sustained peak in cortisol levels, matched by a corresponding elevation of DHEA. IN THIS ARTICLE 1 How Cortisol and DHEA Sulfate Affect the Body 2 Assessing Exercises 3 Adrenal/DHEA Restoration RELATED ARTICLES It becomes increasingly challenging to maintain appropriate blood sugar levels, to allow for adequate rest, to achieve high-quality sleep, and to achieve a harmonious balance among other hormones. This signals the arrival of stage 3, wherein stress persists and becomes chronic. During this stage, cortisol levels decrease, while DHEA remains elevated. In the absence of timely intervention, prolonged adrenal hyperstimulation can result in adrenal exhaustion. This condition is eventually manifested by a decline in both cortisol and DHEA, a phase often denoted as adrenal exhaustion or stage 4. Ultimately, this process may culminate in adrenal failure. Thus, the optimal ratio between salivary cortisol and DHEA is approximately 5:1 to 6:1, serving as an indicator of a normal state of adaptation to stress. When the body’s ability to maintain its normal stress adaptation is compromised, a process known as stress maladjustment can ensue. This phenomenon is now recognized as a chronic stress response, often identified by terms like pregnenolone steal, cortisol escape, or an elevated cortisol to DHEA ratio. The longer one remains in a state of chronic stress, the more pervasive its negative impact becomes on various aspects of physical well-being. As a result, individuals grappling with depression or heightened anxiety levels (measured at 0.24 ± 0.03 in the healthy group compared to 0.41 ± 0.12 in the group of individuals with severe anxiety), along with those dealing with post-traumatic stress disorder, exhibit disruptions in the cortisol to DHEA ratio. Nevertheless, it’s worth noting that certain studies have demonstrated the potential of DHEA treatment to mitigate the adverse health effects associated with stress. Musculoskeletal disorders We have already mentioned that cortisol dysfunction entails disorders of the musculoskeletal system. Thus, the higher the cortisol / DHEA-S ratio, the more serious the risk of this problem. Moreover, multiple regression analysis showed that the independent risk factor for sarcopenia was a serum cortisol/DHEA-S ratio ≥ 0.2. Sarcopenia is a type of muscle loss that occurs with aging and/or immobility. Immunity and Cortisol DHEA Ratio In addition, an increase in the cortisol / DHEA-S ratio with age (Phillips et al. 2007) is associated with immune dysfunction and the risk of infection in the elderly due to the fact that DHEA-S enhances immunity. However, cortisol has an inverse immunosuppressive effect (Buford and Willoughby 2005). It is also worth adding that DHEA-S is known for its antioxidant properties. Metabolic Syndrome Various studies have shown that both cortisol and DHEAS are related to metabolic syndrome, and type 2 diabetes. While high cortisol concentrations are associated with an increased risk of metabolic syndrome, high DHEA-S levels appear to be protective. By far, the strongest associations were observed for the cortisol / DHEA-S ratio. According to observations, the higher the coefficient, the greater the risk of metabolic syndrome. This ratio is also strongly associated with four of the five components of metabolic syndrome. Alzheimer’s Disease The cortisol / DHEA-S ratio may also be crucial in Alzheimer’s disease. For example, some studies have found a link between the cortisol / DHEA-C ratio and a decrease in hippocampal volume. It is worth saying that a decrease in the volume of the hippocampus is one of the early diagnostic signs of Alzheimer’s disease. This finding has been confirmed by other studies, observing the relationship between cortisol / DHEA-S and hippocampal atrophy (HA). For example, such a direct relationship was observed in patients with Cushing’s syndrome. Moreover, HC volume partially recovered following treatment-induced cortisol decrease. However, not all studies support this association within normal cortisol levels in healthy people. To sum up, the ratio of cortisol / DHEA sulfate can reflect: Assessing Exercises DHEA (Aldred et al. 2009; Cumming et al. 1986) and DHEA-S (Tremblay et al.

thyroid gland hormones

Thyroid Gland Hormones

Thyroid Gland Hormones Read More »

All hormones in our body must work in concert to maintain optimal health. Thyroid gland hormones play a major role in regulating this work. In today’s article, we will discuss which symptoms can tell us that not everything is in order with our thyroid hormones. We will also take a closer look at the three ways to check the functioning of the thyroid gland. This article was last reviewed by Svetlana Baloban, Healsens, on January 24, 2020. This article was last modified on 17 February 2020. If we look into history, we will see that thyroidology itself (the study of the thyroid gland) is a relatively new field of endocrinology. In spite of this fact, however, as early as in 1600 BC Chinese writers described the treatment of thyroid goiter (an enlarged thyroid gland) with burnt seaweed. However, the goiter itself was not specifically associated with the thyroid gland. It was only in 1656 that Thomas Wharton first gave the thyroid the name that is still in use today. How thyroid gland hormones affect health Thyroid hormone is the main regulator of hormonal levels. Many people do not realize that they have a dysfunction of the thyroid gland even though it is a disorder, every tenth of which, leads to many adverse health changes. In this case we are talking about already diagnosed problems. However, according to the American Thyroid Association, up to 60 percent of people with thyroid disease go undiagnosed. And an undiagnosed illness can put patients at risk of getting some serious illnesses. How do thyroid hormones affect our body? IN THIS ARTICLE 1 How thyroid gland hormones affect health 2 Thyroid stimulating hormone (TSH) 3 Triiodothyronine (T3) 4 Thyroxine (T4) 5 The role of the pituitary gland RELATED ARTICLES Heart Thyroid gland hormones have a permissive effect on catecholamines. Catecholamines are a group of similar hormones produced by the adrenal medulla. Those, in turn, increase the expression of beta-receptors to increase heart rate, stroke volume, cardiac output, and contractility. Often, people with hypothyroidism have very high cholesterol levels (350 and higher), and a bunch of other risk factors leading to a cardiovascular disease. Thermoregulation Thyroid hormones are responsible for thermoregulation, which is why people with reduced thyroid function (hypothyroidism) often complain that they are constantly cold. This happens due to increased available energy in the body, as well as increased appetite, heart rate, and the amount of oxygen delivered to various parts of the body. Metabolism These hormones also help control the basal metabolic rate (the rate at which calories are burned). So fatigue and excess weight are also signs of hypothyroidism. On average, an underactive thyroid gland can add 5 to 15 kg of weight. But most of that extra weight will come from water and salt. In addition, decreased thyroid function can cause constipation, memory problems, and lethargy. An overactive thyroid gland (hyperthyroidism) is characterized by the opposite signs: having difficulty gaining weight, feeling hot, having frequent bowel movements, feeling nervous, and having a rapid heart rate. Other functions controlled by thyroid hormones include metabolism of fats, proteins and carbohydrates, as well as protein synthesis. Relation to other hormones There is also an interrealtion between thyroid function and control over other hormone levels. So, deviation of the thyroid hormone level from the norm can adversely affect the work of the adrenal glands. For instance, сertain human autoimmune conditions can destroy both the thyroid gland and adrenal cortex resulting in combined hormone deficiencies. Moreover, dysfunction of the thyroid gland negatively affects the levels of sex hormones. Hyper- and hypothyroid men have increased rates of sexual dysfunction, including erectile dysfunction (ED). But the good news is that treatment of thyroid disorder at least partially reverses sexual dysfunction. Thyroid hormone also affects fertility, ovulation, and menstruation. What hormones does the thyroid gland produce? In the following, we will discuss three tests for testing thyroid function – thyroid stimulating hormone (TSH), free T3, and free T4. You will probably want to make these tests part of your early diagnosis program and get them done regularly. Thyroid stimulating hormone (TSH) Thyroid stimulating hormone is a hormone that stimulates the thyroid gland. It is also known as TSH and is a glycoprotein hormone produced by the anterior pituitary gland. It is the main stimulus for the production of thyroid hormones. The TSH screening test is the first line test for suspected thyroid disease. According to the American Thyroid Association, TSH levels are typically between 0.4 and 4.0 milliunits per liter (mU / L). However, these ranges will vary among laboratories and the upper limit can be raised from 4 to 5. If your level is higher than this, you are most likely to have an underactive thyroid gland. However, some studies show that this range should actually lie within 0.45–2.5 mIU / L. This is because TSH below the upper limit of the normal reference range poses an additional risk of progression to overt hypothyroidism over time. So, high TSH levels indicate that your thyroid gland is not producing enough thyroid hormones. This condition is called hypothyroidism, which we wrote about above. Low TSH levels, on the other hand, may mean that your thyroid is producing too much hormone, the condition is called hyperthyroidism. Hyperthyroidism can be caused by Graves’ disease. This is a condition when your body’s immune system attacks the thyroid gland. It can also be a result of too much iodine in your body. T3 (triiodothyronine) and T4 (thyroxine) T3 (triiodothyronine) and T4 (thyroxine) are the two key thyroid hormones that are produced by the thyroid gland. The main product of thyroid secretion is T4, while T3 is secreted only in small amounts. However, the activity of T3 is three to four times higher than that of T4. Nonetheless, both hormones play a vital role. Both T3 and T4 contain iodine. And it is iodine that is one of the main building blocks of both hormones. So let’s talk about tests that help measure the content of these hormones in the body.

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