Barney, LJ, and Jon are back with all the most interesting and practice-changing articles published in the last month:

💉Should I exercise before my next COVID Jab?

🫁Does magnesium work in COPD exacerbations and should we give fewer antibiotics

📽Is a colonoscopy a good way to screen for cancer?

🧂Is salt restriction in HFPEF worth the hassle?

🫀Does skin colour make a difference to survival in cardiac arrest?