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20.11.2015 | 3:11 PM
Why is it so hard for patients on levothyroxine to lose weight? PMID: 26499800
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Do you know what happens when you decrease the number of calories you ingest everyday, for example, when you go on a diet? The body fights back, trying to hold on to its energy stores, aka fat. The way this happens is by gradually slowing the rate of energy expenditure. The slower metabolism is driven […]

30.10.2015 | 2:05 PM
Are flame-retardants silent toxins causing hypothyroidism in the brain? PMID: 26004626
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Flame retardants are used to suppress flames and prevent the spread of fire. Since the 1970s, flame retardants have been added to textiles, carpet padding, foam-padded furniture, cushioning in cars and airplanes, building materials, and electronic equipment. However, over the past decade, some flame retardants have been taken off the market due to toxicity concerns. […]

11.02.2014 | 9:43 PM
Doctor, should my T3 levels be measured? PMID: 25040645
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The thyroid gland produces two forms of thyroid hormone: T4 and T3. Thyroid hormone has diverse biological actions and both T4 and T3 have the ability to affect virtually every tissue and organ in our bodies. T3 in particular has the most physiological relevance due to its higher attraction to the thyroid hormone receptor. On […]

13.01.2014 | 11:56 PM
Is a commonly prescribed cardiac medication affecting your thyroid? PMID: 20926587
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In resting healthy individuals the heart rate normally fluctuates between 60-80 beats per minute with a regular rhythm. A number of diseases can disrupt this rhythm, with potentially serious consequences such as sudden death or brain stroke, and thus require treatment with antiarrhythmic drugs. Amiodarone is one of the most commonly prescribed antiarrhythmics in the […]

17.12.2013 | 8:51 PM
A white powder obtained on Christmas morning used to treat hypothyroidism.
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Enlargements of the thyroid gland (goiter) have been noted in texts and paintings for centuries but it wasn’t until the mid-late 1800’s when physicians started to connect thyroid gland abnormalities with the constellation of clinical findings comprising the syndrome of myxedema, or hypothyroidism as it is known today. In the early 1890’s, different strategies were […]

10.12.2013 | 11:09 PM
Hypothyroidism in the brain protects from cell death in stroke. PMID: 22723689
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Thyroid hormone is a key iodinated molecule that accelerates energy utilization and oxygen consumption. A steady supply of thyroid hormone to all cells is critical for maintaining a normal physiological balance in a wide range of bodily systems, including metabolic, cognitive, nervous and cardiovascular systems. However, new evidence has emerged that in some cases the […]

20.11.2013 | 9:25 AM
“It’s not your thyroid”: Facts and fiction in the thyroid-obesity relationship.
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Many patients question whether they might have a thyroid problem because they have been gaining weight, even when their thyroid tests show little or no abnormalities. Given the high prevalence of thyroid diseases and obesity, could an occult thyroid dysfunction contribute to weight gain in this type of patient? Background: Thyroid hormone accelerates metabolism and […]

13.11.2013 | 9:51 AM
Genetically engineered “hyperthyroid” heart is protected against cardiac injury. PMID: 23861374
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The cardiovascular system is very sensitive to thyroid hormone and patients with hyperthyroidism may experience symptoms including palpitations and changes in blood pressure. The human heart contains an enzyme that activates circulating thyroid hormone, called D2, but this enzyme is not present in adult rodent hearts. Is this an advantage or disadvantage for humans? Does […]