MPR Weekly Dose 192 — Xolair Approved for Multiple Food Allergies; Amtagvi Gets Approval; Vit D Supplement Recalled; Cannabidiol for Pericarditis; Smartwatch Warning

First treatment approved to reduce allergic reactions in those with multiple food allergies; T-cell therapy given accelerated approval to treat unresectable or metastatic melanoma; Vit D supplement recalled due to superpotency; cannabidiol may help resolve the symptoms of pericarditis; FDA warn against certain wearables that claim to measure blood glucose.