Over-counter nasal sprays could keep colds and flu at bay, study finds
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A study led by experts at the University of Southampton has shown that nasal sprays which can be purchased over the counter are effective in preventing upper respiratory infections, like colds, chest infections and flu.
The research, which analysed data from nearly 14,000 adults, revealed they helped prevent full-blown symptoms from developing and reduced the days of illness by around 20 per cent.
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