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David Baxter PhD

Late Founder
The Impact of Exercise on Your Mental Health
by Christy Matta, M.A.
Dec 7th 2011

People know that exercise can improve physical health. Exercise is regularly recommended by medical professionals to improve diseases such as cardiovascular disease, obesity and diabetes. But exercise is not commonly a significant part of a treatment regimen for people who suffer from mental health problems such as depression and anxiety.

Most people in the general population understand that regular exercise is beneficial to physical health. Now, new research suggests that it has equally important mental health benefits.

"The link between exercise and mood is pretty strong," says Michael Otto, PhD, and professor of psychology at Boston University, in this month's Monitor on Psychology. In the October 2011 issue of The American Psychologist, Roger Walsh describes exercise as healthy, inexpensive, and underused to treat psychiatric disorders.

Unhealthy lifestyles can contribute to an array of physical problems and can play can an equally important role your mental health and maintaining a sense of well-being. Otto likens failing to exercise when you're feeling bad to "explicitly not taking an aspirin when your head hurts."

Below I summarize, some recent findings on how exercise impacts mental health.

Mental Health Benefits of Exercise
Exercise offers preventative and therapeutic psychological benefits. It can reduce the risk of depression and chronic pain, as well as neurodegenerative disorders such as Alzheimer's and Parkinson's diseases. Walsh's review of the literature found that depression, anxiety, eating addictive disorders and body dysmorphic disorders are all responsive to exercise as an adjunct to treatment. Even some symptoms of schizophrenia can improve with exercise.

Depression is the most studied mental health disorder in relation to exercise, but new studies are finding similar psychological benefits of exercise in the treatment of anxiety.In fact, in one study exercise was generally comparable to antidepressants for patients with major depressive disorder, while participants in a two-week exercise program showed significant improvements in anxiety sensitivity.

How does exercise effect the brain?
One theory is that exercise increases serotonin (a neurotransmitter targeted by antidepressants)levels. A second theory suggests exercise helps improve sleep. With better sleep, mood improves.

Other possible effects of exercise on the brain and mental functioning include the release of endorphins in the body (endorphins are a chemical in the brain associated with positive mood); the break down of muscle tension through exercise can improve sleep and decrease physical pain and discomfort associated with depression; improvements in self-esteem, a feeling of accomplishment and feelings of self-worth; and an interruption of cycles of negative thoughts and rumination.

What type of exercise proves a valuable adjunct to medication and therapy?
Researchers are not yet clear on which types of exercise are most effective for which people. Aerobic exercise has been the focus of most studies, but weight training may have equally beneficial results. Yoga and other mind-body exercises have been around for centuries but have not yet been thoroughly studied. In general, studies have found higher intensity workouts tend to be more effective, although lower intensity still have benefits. However, these results are shown to vary, depending on both gender and family history of mental illness.

If exercise makes me feel good, why can't I get off the couch?
You may be starting out too hard. When you start a new exercise program and exercise so hard that during exercise you find it hard to talk you can postpone the mental health benefits (mood boost) as much as 30 minutes-enough time to make many people give up exercise for good. Otto also blames a "national apathy to activity." He says that the months of waiting for the physical results of exercise to become apparent can be a "recipe for failure." Instead, Otto recommends attending to the mood boost that accompanies exercise, which is a much more immediate gratification.

Given the low risk of side effects and the substantial positive effects, it is an important option to consider when you are looking to improve your mental well-being.
 

Daniel E.

daniel@psychlinks.ca
Administrator
Also, another theory:

“So many studies have shown that exercise increases levels of BDNF,” says Dr. Salehi. While he notes that other growth factors and body chemicals are “upregulated” by exercise, he believes BDNF holds the most promise.

“The one factor that shows the fastest, most consistent and greatest response is BDNF [brain-derived neurotrophic factor],” he says. “It seems to be key to maintaining not just memory but skilled task performance.”

How Exercise Benefits the Brain - NYTimes.com
 

Daniel E.

daniel@psychlinks.ca
Administrator
I forgot about dopamine :) I guess the effect would be even greater if one exercises while skydiving :D
 

Daniel E.

daniel@psychlinks.ca
Administrator
Hit the Gym or Mow the Lawn to Prevent Panic Attacks (Anxiety and Exercise)
New York Behavioral Health blog
August 8, 2011

...The focus of a recent collaboration between University of Vermont and Southern Methodist University scientists was “high anxiety sensitivity.” This is described as an intense fear of the characteristic physical signs that tend to accompany a panic attack (racing pulse, sweating, nausea, dizziness, shortness of breath, and feelings of impending doom). The greater amount of this sensitivity a person exhibited, the greater the likelihood, in general, that he/she would develop a panic or other anxiety disorder. Thus, high anxiety sensitivity is established as a risk factor for panic disorder.

But there was one very interesting finding of the study: the participants with high anxiety sensitivity who engaged in exercise or other intense physical activity during a build-up period of these indicators handled the panic-inducing situation with significantly less anxiety than did their counterparts who were not physically active at the time. The researchers believe this finding implies that individuals who demonstrate this risk factor but who engage in rigorous exercise on a regular basis are greatly reducing their risk of panic disorder by the physical activity. So, to those of you who have experienced panic attacks: is this sufficient motivation to step up your exercise program?

---------- Post added at 01:22 PM ---------- Previous post was at 01:00 PM ----------

Intense Exercise Helps Combat Panic, Anxiety | Psych Central News
 
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