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Thyroid cancer occurs when abnormal cells in the thyroid gland begin to divide and grow uncontrollably.
In a recent study, researchers believe that those who live in brightly lit areas may be at higher risk of developing the disease. The researchers found that these individuals had low levels of melatonin as a result of the light and therefore increased their risk of infection.
And researchers at the University of Texas Health Sciences Center found that those who live in an area with high levels of artificial light outdoors can increase their chances of developing thyroid cancer.
And the scientists found a possible link between those who contracted the disease and levels of artificial outdoor lighting.
Looking at data from 464,371 participants, the study was conducted over a 13-year period.
And those who live in areas with the highest level of nighttime light pollution have been found to have a 55% higher risk of developing thyroid cancer than those who live in dimly lit areas.
The researchers hypothesized that the link could be due to night light that inhibits melatonin and could have an antitumor effect.
Studies have also reported an association between elevated levels of satellite night light and an increased risk of breast cancer.
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Night light can alter the body’s internal clock (or circadian rhythms), which is a risk factor for several types of cancer.
“Compared to the lowest fifth in night light, the top fifth was associated with a 55% risk of thyroid cancer. The main reason behind the association is the most common form of thyroid cancer, which is called papillary thyroid cancer, “said Qian Xiao, lead author of the study. It was stronger for women than for men. “
The correlation appears to be similar for different tumor sizes and in participants with different demographic characteristics and BMI.
The researchers noted that additional studies are needed to confirm their findings.
Symptoms of thyroid cancer include:
Swollen glands in the neck.
• Unexplained hoarseness that does not improve after a few weeks.
Sore throat that does not get better.
Pain in your neck
Difficulty to swallow
• Difficulty breathing.
Source: Express
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