There are things we do everyday that we dont know is harmful to our health, am going to be listing few of them down below. So without further ado let's get into it. Sitting all day A desk job keeps your behind plastered to a seat for hours, which studies have shown can be hazardous to your health. periods of sitting have already been linked with diabetes and heart disease. And a 2015 study identified yet another risk: Women who sat for more than 6 hours a day had a higher risk of developing breast cancer, ovarian cancer and multiple myeloma (a form of blood cancer), compared to women who sat less than 3 hours a day. Similar results were not seen in men, except for those who were obese. Heavier men who spent more time sitting also had an increased cancer risk. A second study investigated whether sitting was associated with other unhealthy behaviors. This analysis showed that people who spend most of the day sitting and sleeping too much may be