ADHD can happen in adults and it might present differently than you think.

As such, a large percentage of adults have presented with undiagnosed ADHD in recent years.

When left untreated, symptoms associated with ADHD can beharmful to both a persons physical and mental well-being.

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Experts spoke with HuffPost on a fewhabits that may covertly be because of ADHD.

You repeatedly lose things.

You neglect other activities or your needs when youre focused on a task.

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You may also struggle with forgetfulness and leave tasks unfinished.

I am forgetful about most things in my life.

I have to write everything down, she said.

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Regularly fluctuating betweenfeeling overstimulated or understimulatedby your environment can be a sign that you have ADHD.

You have a habit of struggling to connect with partners in your relationship.

A person with ADHD may notice certain habits that are actually symptoms impact their dating life or interpersonal relationships.

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ADHDers can be sensitive to rejection.

I knew not all of these symptoms could be related to this anxiety disorder, she said.

I was already being treated for a neurological disorder, and by chance they screened for ADHD.

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I met the criteria.

Note: Experiencing these symptoms does not necessarily guarantee you have ADHD.

Not everyone who is forgetful or who has trouble multitasking is living with ADHD.

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People who are neurotypical can develop habits such as forgetting things or hyper-focusing on tasks.

Seek out health care and resources.

For Hannah, finding the right combination of medication and therapy has been key to managing ADHD.

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