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.
Medicine and Healthcare. Black stools can be due to iron supplements or excess iron in the diet. The most serious cause of black stools is bleeding in the GI tract, due to ulcers or some other cause. If the stool is black due to blood, it usually has a tarry feel. If there is just a black color, most likely it is not blood.