A nuclear stress test helps to assess your risk of a severe cardiac event. Depending on your health, a doctor may ask you to take a treadmill test or a chemical test, which uses medications to ...

A brain natriuretic peptide (BNP) blood test measures the levels of BNP in a person’s blood. Doctors use BNP tests to indicate how well the heart is pumping blood throughout the body. Many healthcare ...

A diurnal cortisol test shows the pattern of cortisol levels, a biomarker for stress, throughout the day. Abnormal changes in cortisol levels may be an indicator of an underlying mental or physical ...

Sapha Shibeeb does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...