Pulmonary function tests are a group of noninvasive breathing tests that measure how much air your lungs can hold, how quickly you can move air in and out and how efficiently your lungs transfer ...

Once dominated by Daniil Medvedev, Jannik Sinner reversed the trend — since Beijing 2023 the Italian found the key to a one-sided duel and even made the Russian doubt his own game. Now an unavoidable ...