Getting too little sleep is a big problem in the U.S. According to the CDC, one third of adults report they get less than the recommended 7-8 hours of sleep each day, and insufficient sleep has been tied to several chronic health conditions — including type 2 diabetes, obesity, heart disease, and depression.

Surrogacy made headlines when Kim Kardashian West and Kanye West welcomed a child with the help of a surrogate. Learn how surrogacy helps families grow.

Exacerbated by the COVID-19 pandemic, the opioid epidemic had its deadliest year yet in 2020, with more than 93,000 overdose deaths reported by the National Center for Health Statistics (NCHS).