Mona Lisa Didn’t Suffer from Thyroid Problem: ScientistsHealthy Living

April 20, 2019 17:13
Mona Lisa Didn’t Suffer from Thyroid Problem: Scientists

(Image source from: out.com)

Italian polymath Leonardo da Vinci's muse for the iconic Mona Lisa painting, which enthralled millions since it was created in the early 1500s, may not have suffered from hypothyroidism as suggested by recent studies, scientists say.

Michael Yafi, from The University of Texas Health Science Center (UTHealth), noted that the painting doesn't match the infinite other depictions of enlargements or goiters of the thyroid gland.

For years, the medical community, as well as scientists and physicians, have studied the discoloration of Gherardini's skin, the thickness of her neck, and her enigmatic smile to speculate about her health during the Renaissance period of time.

The researchers citing her yellow skin, the enlarged appearance of her thyroid gland, and lack of eyebrows theorize she suffered from severe hypothyroidism or underactive thyroid.

The researchers further noted that her mysterious smile may stand for a hint of resulting psychomotor retardation and muscle weakness.

"I felt a personal responsibility to defend the Mona Lisa and the fascinating lady the painting portrays," said Yafi in a statement.

"She has inspired thousands of people over the past few centuries. I couldn't have the public thinking she had hypothyroidism when it seems to me she was euthyroid, meaning her thyroid was normal. So, I decided to give her a fresh 21st-century medical opinion," he said.

Yafi's research, published in Hormones-International Journal of Endocrinology and Metabolism, states that the documentation of thyroid disease is well known in art history, and this painting doesn't match the countless other depictions of goiters.

"Artists often depicted what they saw in society. Sculptures from the ancient Andean and Egyptian civilizations recorded endemic goiters in areas of environmental iodine deficiency, like the Tuscany region where Gherardini lived," said Yafi.

"Ancient Greek art represents this symptom as well, as do several poetic works and even Shakespearean literature.

"If Gherardini had a goiter from iodine deficiency, it would have been severe and more clearly demarcated in the painting like the other historical representations; a talented painter like da Vinci would have had no problem expressing it," he said.

Yafi also points out that many of da Vinci's paintings depict women without eyebrows, so it's not conclusive to attribute that feature to an underactive thyroid.

He said the yellowing of the skin only develops after a long duration of the disease.

Typically, having long-term hypothyroidism would have badly affected fertility, but Gherardini is known to have given birth to five children, including one only months before sitting for the painting, said Yafi.

"The discoloration could simply be attributed to the age of the artwork, as well as the varnish applied by the artist. Furthermore, the painting was stolen and then hidden away for almost three years, and someone also once vandalized it with acid in an act of sabotage," he said.

"Making a diagnosis of hypothyroidism on the basis of subtle and vague features in an old painting is, needless to say, risky," Yafi said.

"Hypothyroid myopathy, or muscle tissue disease, manifests in muscles that are closer to the body's midline. It is usually severe, which means that it would have prevented Gherardini from posing with a straight back.

"Moreover, there are plenty of people who have an asymmetric smile, but this does not necessarily mean that they are hypothyroid," he said.

By Sowmya Sangam

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health  thyroid