namely the circadian clock (CC), which helps organisms to adapt to the 24-h cycle of the earth to control their daily physiology and behavior rhythms. Molecular pacemakers inside organisms drive the CC. In mammals, the coordination of essential behavioral, hormonal, and other physiological ...
MRI imaging uses magnets and radio waves. Therefore, pacemakers, artificial bones or joints, and even IUDs can cause problems, as the MRI uses strong magnets to create images. In addition, MRI machines may be problematic for people with claustrophobia. To minimize this risk, imaging centers incr...