Light Exposure at Night Can Destroy Your Thyroid

STORY AT-A-GLANCE

  • Exposure to outdoor light at night, which disrupts circadian rhythms, may increase the risk of thyroid cancer
  • Those in the highest quintile of nighttime light exposure had a 55% increased risk of thyroid cancer compared to those in the lowest quintile
  • One way circadian disruption may be linked to thyroid cancer is by inducing insulin resistance
  • Light exposure at night also causes sleep trouble, and chronic sleep deprivation is linked to disruption of rhythmic thyroid stimulating hormone secretions, which is associated with an increased risk of thyroid cancer

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The Dangers of Sleeping Too Much

Story at-a-glance −

Seniors who regularly slept more than eight hours per night had a 46 percent increased risk of stroke compared to those who slept between six and eight hours per night

Other health effects associated with consistently sleeping too much include depression, diabetes, weight gain, headaches, Continue reading

Lack of Sleep Can Quadruple Your Risk of Catching a Cold

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Sleeping less than six hours per night can increase your risk of catching a cold by 400 percent Continue reading

Daylight Savings Time May Cost You Extra—Both in Terms of Money and Health

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Research suggests you never fully adjust your circadian rhythm to the hour shift associated with daylight savings time (DST) Continue reading

Why 8 Hours of Sleep a Night Just Isn’t Natural

Long after the lights go out every night, millions of Americans are lying in bed awake. Tossing and turning, their minds racing over the day’s accomplishments or tomorrow’s tasks, keeping them up well into the night. For others, it’s just blackness and frustration. As the tiredness mounts, the sleep still won’t come.

According to a 2011 poll, Continue reading