You can now buy a bottle of air from the UK! A British firm is selling the 'smell of home' to homesick expats. The bottles join a long list of antiviral, immunity booster products that have hit the shelves recently. All high on promise, low on scientific-backing. WION's Palki Sharma Upadhyay brings you food for thought.

Gravitas: Profiteering from your fear

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Gravitas: Profiteering from your fear