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.
tarry color stool can happen due to taking iron supplement but it can also happen due to bleeding in the upper gastric track (stomach,small intestine) to confirm cause of the tarry color stool you can stop taking iron supplement for some days and watch stool color after some days.....