This is because, as the temperature drops, your thyroid must work harder to function properly.

If you notice hypothyroid symptoms worsening as the weather gets colder, it’s worthhaving your blood levels tested.

You may need an increase in yourthyroid hormone replacementdosage.

Woman with arms outstretched in snow

Sam Edwards / Getty Images

Some healthcare providers make it standard practice to automatically raise their patients' dosages slightly during colder months.

(Synthetic forms of levothyroxine include Synthroid, Unithroid, and Tirosint.)

Even 20 to 30 minutes of outdoor light exposure a day can help ward off fatigue and depression.

Another important reason to seek out the sun is for vitamin D, which is critical to thyroid function.

Get Enough Sleep

The average American doesn’t get enough sleep.

So consider foregoing the late nightbinge-watchingin favor of a few extra winks.