4 Health Issues That Mess With Your Memory

You may be surprised by what can affect your memory.

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Alzheimer’s isn't the only condition that harms your memory. These four problems can also leave you feeling foggy.

Other symptoms: Fatigue, irritability, trouble sleeping, feeling hopeless, under- or overeating (lasting more than two weeks).

Rx: Your MD will refer you to a psychologist or psychiatrist for counseling and possibly meds.

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Rx: Your doc may prescribe synthetic thyroid hormone.

12 Unexpected Things That Mess With Your Memory

“When women in their 40s come to my office complaining of memory issues, one of the most common causes is sleep apnea,” says James Leverenz, MD, Cleveland director of the Lou Ruvo Center for Brain Health at the Cleveland Clinic. The condition causes a closing or narrowing of the airway passages, which can lower oxygen levels in the brain.

Other symptoms: Snoring, gasping, waking up exhausted, morning headaches, daytime sleepiness.

7 Tricks to Improve Your Memory

Researchers aren’t sure how this autoimmune disorder might affect memory, but one theory is that, left untreated, the disease may cause systemic inflammation that can have a negative effect on the brain.

Rx: A small 2014 Australian study found that when celiac patients followed a gluten-free diet, brain-fog symptoms improved within a year.

This article originally appeared on Health.com.