Information-finding skills It is sometimes more useful to know where information can be found than to have memorized that information directly, particularly in areas that are developing and changing over time. Undertaking a psychology degree involves a considerable amount of information-finding skill.
Iron supplements cause the stool to darken. Some people's stools will turn black. This is not a cause for alarm. According to the University of Maryland Medical Center, this is actually a desirable consequence of taking iron. If the stool does not turn black, your supplement may not be effectively getting absorbed.
Iron supplements and bismuth-based medications, for example, can darken your stools. Sometimes, serious blood and circulation abnormalities in your digestive system can cause black, tarry stools. 1  Bowel ischemia is a reduction of blood flow to the intestines.  Vascular malformation is misshapen veins.