Almost everyone has walked into a room and forgotten why they went there. Maybe you lose your keys, forget someone’s name, or blank on a word in the middle of a conversation. It can feel frustrating, especially as we get older, but experts say mild forgetfulness is usually normal.

As we age, the brain changes a little. Scientists say the brain can become “noisier,” almost like a radio with static. That extra mental noise can make it harder to focus, remember details, or pull up the right word quickly. Stress, lack of sleep, anxiety, depression, and even some medications can also make memory worse.

Forgetting the name of someone you just met? Usually normal. Misplacing your phone because you were distracted? Also common. Sometimes our brains simply do not fully “record” information when we are multitasking.

But there are signs that memory problems may be more serious. Repeatedly asking the same question, getting lost in familiar places, struggling with bills, forgetting close family members, or having trouble doing everyday tasks can point to dementia or another cognitive problem. Big personality changes or losing track of time can also be warning signs.

The good news is that healthy habits can help support brain function. Experts recommend getting enough sleep, lowering stress, exercising regularly, eating healthy foods, and staying mentally active. Simple tricks like keeping keys in the same spot, using calendars and reminders, and following routines can also help reduce everyday forgetfulness.

The biggest thing to ask yourself is this:
“Is my memory getting in the way of my daily life?”

If the answer is no, chances are your occasional “brain glitches” are just a normal part of being human.

Chronic stress may affect the hippocampus, a major brain area involved in:

One major study in Nature Neuroscience found that consistently high cortisol levels were linked to memory problems and shrinkage in parts of the hippocampus during aging.

Nature Neuroscience