The New York Times Log In By TOBY BILANOW 1 of 7 The first case of a highly contagious coronavirus variant originally discovered in Britain was found in the United States, detected in a young man living in this state: Alabama Texas 3 of 7 Middle-aged and older adults saw marked improvements in fitness and strength after performing intense exercise intervals on a stationary bike for periods as short as: 4 seconds 4 of 7 Experts warn that doctors too often prescribe these risky medications to treat sinus and respiratory infections, even though evidence that they provide any benefit is lacking: Opiates The newly released Dietary Guidelines for Americans include which of the following changes?