Work from home plus other letters, Sept. 24: ‘To those thinking that they don’t ever have to return to the office: Be careful what you wish for’

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Open this photo in gallery: Office towers in downtown Calgary.iStockPhoto / Getty Images The lot Re “Health Canada to review U.S. panel’s conclusion that common decongestant doesn’t work” (Online, Sept. 15): There has long been an enormous variety of head-cold remedies available, both at pharmacies and health-food outlets. None of them are consistently effective, including high-priced items such as Cold-FX and other ginseng derivatives. This is not a new discovery. If phenylephrine is removed from the shelves, the rest of the lot should be as well. Full evidence of efficacy has never been present for any of them. Colds are...