Depression Archive

Stress management may reduce health problems linked to stress, which include cognitive problems and a higher risk for Alzheimer's disease and dementia.

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It's not uncommon to feel disorganized and forgetful when you're under a lot of stress. But over the long term, stress may actually change your brain in ways that affect your memory.

Studies in both animals and people show pretty clearly that stress can affect how the brain functions, says Dr. Kerry Ressler, chief scientific officer at McLean Hospital and professor of psychiatry at Harvard Medical School. Scientists have seen changes in how the brain processes information when people experience either real-life stress or stress manufactured in a research setting. (For the latter, researchers might challenge subjects to perform a difficult task, such as counting backward from the number 1,073 by 13s while being graded.) Either type of stress seems to interfere with cognition, attention, and memory, he says.

So how do you keep your brain healthy, stay cognitively fit, and build your cognitive reserve? It's easier for some people than for others. And though genetics set the stage for your brain health, you can do something to improve your brain health and cognitive fitness.

First it is important to remember that you need a healthy body to have a healthy brain. Therefore, ensuring your brain health depends upon regularly seeing your doctor, following her or his recommendations, and managing any health conditions you have.

A regular practice can help your brain better manage stress and anxiety that can trigger depression.

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Depression continues to be a major health issue for older adults. It affects about 20% of adults ages 65 and older, and regular depression can lead to higher risks for heart disease and death from illnesses. It also affects people's daily lives by making them more socially isolated and affecting cognitive function, especially memory.

In fact, a study of 1,111 people (average age 71), published online May 9, 2018, by Neurology, found that those who had greater symptoms of depression also had worse episodic memory — the ability to recall specific experiences and events.

Ask the doctors

Q. My friend was recently diagnosed with fibromyalgia, but it seems like she might be imagining her symptoms. Is fibromyalgia a real condition?

A. The short answer to your question is yes. Fibromyalgia is a real condition that affects some four million Americans. It's a chronic pain syndrome that experts believe may be caused by a malfunctioning nervous system. Researchers using magnetic resonance imaging to examine the brains of people with fibromyalgia have found abnormalities in the part of the brain that processes pain signals from the body. It appears that this part of the brain is essentially boosting the intensity of normal pain signals, potentially causing the body to feel pain without a physical cause.

A study shows that moving in reverse may help with short-term memory.

Lost your car keys? Instead of retracing your steps, you might want to try walking backward to jog your memory.

A study published in the January issue of Cognition found that people who walked backward, imagined they were walking backward, or even watched a video simulating backward motion had better recall of past events than those who walked forward or sat still.

The REACH method teaches how to overcome lingering bad feelings toward someone who did you wrong.

Almost everyone has experienced being wronged by someone. It could be a former co-worker, friend, or family member. But hanging on to those negative feelings can do great harm to your health.

"Forgiving a person who has wronged you is never easy, but dwelling on those events and reliving them over and over can fill your mind with negative thoughts and suppressed anger," says Dr. Tyler VanderWeele, co-director of the Initiative on Health, Religion, and Spirituality at the Harvard T.H. Chan School of Public Health. "Yet, when you learn to forgive, you are no longer trapped by the past actions of others and can finally feel free."

Forgetting things? Memory problems are more common than you think

It's normal to forget things from time to time, and it's normal to become somewhat more forgetful as you age. But how much forgetfulness is too much? How can you tell whether your memory lapses are normal forgetfulness and within the scope of normal aging or are a symptom of something more serious?

Healthy people can experience memory loss or memory distortion at any age. Some of these memory flaws become more pronounced with age, but — unless they are extreme and persistent — they are not considered indicators of Alzheimer's or other memory-impairing illnesses.

Take a moment to think about how you treat yourself when you make a mistake or fail to reach a goal. If you tend to beat yourself up when things go wrong, you, like most people, can use a little more self-compassion in your life.

Forgiving and nurturing yourself seem to have benefits in their own right. Strong self-compassion can even set the stage for better health, relationships, and general well-being. So far, research has revealed a number of benefits of self-compassion. Lower levels of anxiety and depression have been observed in people with higher self-compassion. Self-compassionate people recognize when they are suffering and are kind to themselves at these times, thereby lowering their own levels of related anxiety and depression.

Antidepressants aren't the only solution for depression. Research shows that exercise works as well as antidepressants for some people, although exercise alone isn't enough for someone with severe depression.

Research we're watching

People who sleep too much or too little may be at higher risk for cognitive decline, according to a study published Sept. 21, 2020, by JAMA Network Open. Researchers looked at self-reported sleep duration from 20,065 people in two large studies, one in the United Kingdom and one in China. The participants from the United Kingdom were ages 50 and older and those living in China were 45 and older and were followed by researchers for up to 15 years. Researchers asked participants questions about their sleep patterns and performed a cognitive assessment. The process was repeated at two year intervals during the various study periods. Researchers found that people who slept too little (four or fewer hours a night) or too much (10 or more hours a night) were more likely than more typical sleepers to experience cognitive decline.

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