Ever have a downright terrible day? You’re concerned about financial problems at home, and your boss is pushing you to get that project done earlier than expected, then your vehicle breaks down. Sounds like a day that might make you feel pretty frustrated or helpless.

But what if you felt frustrated, helpless or anxious every day? It could be a sign of depression.

The Centers for Disease Control and Prevention properly notes depression is “more than just feeling down or having a bad day.”

Instead, the CDC on its website identifies potential depression as when that “sad mood lasts for two weeks or more and interferes with normal, everyday functioning.”

The CDC at https://www.cdc.gov/howrightnow/emotion/sadness/ lists a few symptoms of depression. Some identifiers could go either way on the spectrum, and naturally depend on each individual. But other things — such as a common cold, puberty or caffeine consumption — could cause those symptoms to occur.

However, other symptoms provide a clearer picture of what depression looks like, including: feeling sad or anxious often or all the time; lack of desire for activities that used to be fun; feeling irritable, easily frustrated or restless; having trouble falling asleep or staying asleep; experiencing aches, pains, headaches or stomach problems that don’t improve with treatment; having trouble concentrating, remembering details or making decisions; and feeling guilty, worthless or helpless.

Then there’s the obvious telltale sign of depression: if you’re thinking about suicide or hurting yourself. In that circumstance, don’t read any more of this editorial — pick up a phone and call someone you can talk to. It’s incredibly important that anyone feeling like they may inflict pain on themselves or others contact a doctor or a mental health professional as soon as possible. For those who may need it, the National Suicide Prevention Lifeline is 1-800-273-8255.

Otherwise, the CDC advises those who experience several symptoms on the list nearly every day for two weeks or more to the point they interfere with day-to-day activities or cause significant distress should talk to their health care provider.

Depression late in life may be a risk factor for the development of Alzheimer’s disease and researchers are also looking into whether depression may actually cause your brain to age more quickly, causing memory and thinking skills to degrade earlier in life.

If that’s not reason enough to keep your mental health in check, guess what else? Depression might be more common than you think.

The CDC says about 1 in 6 adults will have depression at least some point in their life, and the condition affects about 16 million Americans every year.

The figures are staggering and letting your mental health slip is no joke. Take the time to assess yourself and, if needed, seek help from a professional.