Being sedentary has become a normal part of modern office life, but it is actually very detrimental to health. Recently, a new study from Sweden showed that women who are used to being sedentary during and after work hours have a higher risk of developing breast and endometrial cancer. Researchers analyzed information from more than 29,000 Swedish women between the ages of 25 and 64, who were followed for about 25 years. None of them had cancer at the start of the study. The study participants were divided into three groups: those who needed to be sedentary at work (e.g., engaged in some office work) and did not exercise after work; those who needed to be sedentary at work but exercised regularly after work (e.g., running and handball), and those who needed more standing-type activities at work (e.g., as teachers) and participated in leisure sports after work. The results of the study found that those who were inactive at work or during leisure time had a 2.4 times higher risk of being diagnosed with breast and endometrial cancer before menopause compared to those who were active both at work and during leisure time. After menopause, on the other hand, inactivity did not appear to increase the risk of breast cancer, and there was no link between the two. ”People who work all day in an office can do small things from time to time to reduce sedentary time, such as standing up and pouring a cup of coffee or walking to work.” Anna Johnsson, one of the authors of the study and a physiotherapist from Lund University (Lund University) in Sweden, suggested. In addition to this study, previous research has confirmed a link between inactivity and cancer risk. 2014, a study found that for every two hours of sitting per day, the risk of endometrial cancer increased by 10 percent for women and by 8 percent for men and women with colon cancer. A 2011 study estimated that as many as 49,000 cases of breast cancer are associated with sedentary behavior in the United States each year (according to the National Cancer Institute, about 230,000 people are diagnosed with breast cancer in the United States each year). Several studies have shown that getting up and walking around briefly during the day can lower blood levels of certain molecules associated with cancer risk. The study was presented at the recent American Association for Cancer Research (AACR) annual meeting in Philadelphia.