If your iron is low, eating a diet that is high in iron-rich foods such as fortified cereals, red meat, dried fruit, and beans may not be enough to give you what you need. Your doctor might recommend that you take an iron supplement.
selective. 1  having the function or power of selecting; making a selection. 2  characterized by selection, especially fastidious selection. 3  of or relating to selection. 4  Electricity, Radio. having good selectivity.
Selective attention is the process of focusing on a particular object in the environment for a certain period of time. Attention is a limited resource, so selective attention allows us to tune out unimportant details and focus on what really matters.