Canal Pride, Amsterdam. Photo by Edwin van Eis/I amsterdam. Inside Amsterdam’s world-renowned Rijksmuseum, behind a glass wall, a team of experts is restoring the 400-year-old Rembrandt masterpiece ...

Bradycardia refers to a resting heart rate that is slower than usual. A heart rate of fewer than 60 beats per minute (bpm) may indicate an underlying health issue, but this is not always the case.