Adjective : an underactive thyroid gland.    From Dictionary.com. 

Some signs of underactive thyroid or Hypothyroidism.    From Wordnik.com.  [The symptoms of thyroid problems] Reference

But as she grew, an underactive thyroid gland changed all that.    From Wordnik.com.  [CNN Transcript Sep 23, 2008] Reference

Both an underactive and overactive thyroid can lead to hair loss.    From Wordnik.com.  [Reasons Why Women Lose Their Hair] Reference

They have overactive inner critics and underactive inner supports.    From Wordnik.com.  [Jane Shure: Why You Shouldn't Follow Amy Chua's Parenting Advice] Reference

My thyroid's underactive and we're trying to get it regulated again.    From Wordnik.com.  [Saturday's Stupid Saying and Update On My Health] Reference

(Both overactive and underactive thyroids swell for different reasons.).    From Wordnik.com.  [It's All In Your Neck] Reference

Could your thyroid -- the master gland of metabolism and energy -- be underactive?.    From Wordnik.com.  [Archive 2007-05-01] Reference

Turns out that's also a symptom of underactive thyroid, which she also found out she has.    From Wordnik.com.  [In Braise of Beef & other fine food] Reference

Rarely, underactive thyroids may also have a drying effect, possibly by reducing tear formation.    From Wordnik.com.  [Q&A: Can a thyroid condition cause dry eyes?] Reference

But I have a weight problem which started after the age of 40, and I also have an underactive thyroid.    From Wordnik.com.  [The Great Cholesterol Con | The Blog of Michael R. Eades, M.D.] Reference

Furthermore, our pattern recognition systems err on the side of being overactive rather than underactive.    From Wordnik.com.  [Valerie Tarico: Christian Belief Through the Lens of Cognitive Science: Part 2 of 6] Reference

She may well have an underactive thyroid, which may mean that she needs nothing more than a little iodine.    From Wordnik.com.  [Oprah’s plight | The Blog of Michael R. Eades, M.D.] Reference

I had what was later diagnosed as an underactive thyroid, complicated by the pressure of preparing for exams.    From Wordnik.com.  [between the rock and the cold, cold sea -- Day] Reference

Visualizing and physical exercises help to stimulate the underactive parts and tamp down the overactive parts.    From Wordnik.com.  [Baseball's Other Drug Problem] Reference

And in some cases, daytime sleepiness can result from medical problems such as depression or an underactive thyroid.    From Wordnik.com.  [Nap Time for Aging Boomers] Reference

If the gland is underactive, the solution is synthetic thyroid hormones, which you take in a daily pill for the rest of your life.    From Wordnik.com.  [It's All In Your Neck] Reference

I don't regularly use ning, so maybe I'm missing something, but the community portion of the site seems underactive at the moment.    From Wordnik.com.  [Archive 2008-12-01] Reference

The thyroid may recover completely from hyperthyroidism, but if the inflammation damaged the gland, it may then become underactive.    From Wordnik.com.  [Pregnancy, Childbirth, and the Newborn] Reference

He has an underactive thyroid, which he is on tablets for.    From Wordnik.com.  [Whitehaven News headlines] Reference

Weight gain is, therefore, typical of an underactive thyroid.    From Wordnik.com.  [The News is NowPublic.com - NowPublic.com: The News is Now Public] Reference

Post subject: Asperger ` s = substitute for underactive Amygdala?.    From Wordnik.com.  [Wrong Planet Asperger / Autism Forums] Reference

An overactive or underactive thyroid gland can lead to hair loss.    From Wordnik.com.  [SouthCoastToday.com Latest Headlines] Reference

I now have an underactive Thyroid treated with Thyroxine replacement.    From Wordnik.com.  [Discussion Forum - TuDiabetes] Reference

I HAVE an underactive thyroid gland and I've been put on levothyroxine.    From Wordnik.com.  [HomePage - The Sun] Reference

Function abnormalities comprise an overactive or an underactive thyroid.    From Wordnik.com.  [KXAN TV] Reference

An underactive thyroid can disrupt metabolism and other aspects of health.    From Wordnik.com.  [CNN.com] Reference

I also have a mildy underactive thyroid; so take kelp to boost my iodine.    From Wordnik.com.  [Propeller Most Popular Stories] Reference

You may have a Thyroid issue ... (underactive) the symptoms lead that way!.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

Consider a Thyroid Problem - An overactive (hyperthyroidism) or underactive.    From Wordnik.com.  [eHow - Health How To's] Reference

If your thyroid gland is overactive or underactive, your hair may fall out.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

From what I have read, this does happen for either over or underactive thyroid.    From Wordnik.com.  [Self-Proclaimed Supermom] Reference

As well as an underactive thyroid and diabetes, she has also suffered from angina.    From Wordnik.com. Reference

Take Dr Hilary's test to see if you could be suffering from an underactive thyroid.    From Wordnik.com. Reference

In these people, the part of the brain that tells muscles to move is very underactive.    From Wordnik.com.  [Pharyngula] Reference

It's likely there are groups of serotonin neurons that are overactive, not underactive as assumed.    From Wordnik.com.  [New Scientist - Online News] Reference