Drake rockets to No. 1 on Billboard’s Mainstream R&B/Hip-Hop Airplay chart (dated May 4) with “You Broke My Heart,” which flies from No. 8. The single reaches the chart’s summit after a 20 ...

The below chart from UCSF Benioff Children’s Hospital outlines the normal range of beats per minute for resting heart rate, based on age. Target heart rate refers to a range of heart beats per ...