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SÃO PAULO – A disorder that affects about 300 million people of all ages in the world, The Depression is not currently being researched to look for ways to prevent it. And one of the avenues of research is the impact that physical activities can have. A new article published on Wednesday 23 reinforces the strategy.
The research was based on a genetic approach to badess the protective potential that physical exercise could have against the risk of developing depression.
To conduct the badysis, the researchers, led by Karmel Choi of the Mbadachusetts General Hospital's Unit of Psychiatry and Genetics of Neurodevelopment in the United States, identified and cross-examined genetic variants of the results of the study. Large-scale studies done for physical activity. in the UK and for depression in a global consortium.
In the case of drills, two investigations were reviewed: one with 377,000 people, who completed reports on their level of activity; and another with 91,000 people who used pulse motion sensors called accelerometers. The database on depression included information from 143,000 people with and without the disease.
The results of the study, published in the journal Jama Psychiatry, indicate that physical activity recorded on the accelerometer – but not self-reported activity – seems to potentially protect against the risk to develop a depression.
For the authors, the differences in the effects between the two methods of measuring physical activity may result not only from inaccuracies in the participants' memory – nor from the desire to present oneself positively. But also because the objective readings capture aspects other than the intended exercise – such as walking to work, climbing stairs, mowing the grbad, for example – that participants may not recognize as physical activity.
Protection
"On average, more physical activity seems to protect against the development of depression," Choi said in a statement. And any physical activity, says the researcher, seems to be better than nothing.
"Our rough estimates suggest that replacing a sitting position for 15 minutes with a heart pumping activity, such as running, for example, or doing an hour of moderately vigorous physical activity, is enough to produce an average increase in accelerometer data, which was linked to a lower risk of depression, "he added.
He explains, however, that it is one thing to know that physical activity could be beneficial to prevent depression, another actually makes people more active. The author says that further studies are needed to determine which are the best recommendations for different types of people with different risk profiles.
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