“Extra’s” Billy Bush caught up with Los Angeles physician Dr. Thomas Yadegar via Zoom to learn more about young COVID-19 patients developing cytokine storm syndrome, an overreaction of the body’s immune system. as seen on extrabilly bushComplicationcomplications in younger patientscomplications of coronavirusCoronaviruscoronavrius complicationsCOVID-19COVID-19 immunityCOVID19Cytokinecytokine storm syndromedealing with problemsdoctorsdr. thomas yadegardr. yadegarimmune systemimmune system reactionIMMUNITYmedical problemsnew coronavirus situationsnew problemsnew symptomsother medical issuesother medical problemsother symptomsoverractionsPatientsproblems in younger patientsscary situationsStormSyndromevideoVITAMINvlogyoungeryounger patientsYouTubeRelated Posts Did Your Allergies Get Worse After COVID? Watch This February 26, 2026 There may be a universal vaccine in the future. #science #vaccine #doctor February 21, 2026 The Immune Shift No One Explains After COVID February 19, 2026 Doctor Reacts: Covid masks in 2026?! February 19, 2026 ‘Particularly capricious’: Doctor weighs in on undermining of mRNA technology February 15, 2026 COVID’s Hidden Impact: Immune System Triggers Explained #shorts January 30, 2026