What Is Rapid in Cycling Bipolar Disorder? Rapid cycling is a pattern of frequent, distinct episodes in bipolar disorder. In rapid cycling, a person with the disorder experiences four or more episodes ...

In early January, more than 700 Stanford University athletes took rapid Covid tests upon returning to the campus. Those who tested negative — and some who tested positive — were also given PCR tests.

The announcement came last week with the White House signaling a billion-dollar investment in at-home rapid coronavirus tests. It also said 20,000 pharmacies across the country would offer free ...