Lack of ventilation caused by better insulation could create spike in indoor pollutants, research warns

The number of Britons with asthma could almost double by 2050 because the air inside homes is becoming more polluted as they become more energy-efficient, a new report warns.

The trend towards airtight houses could also worsen allergies as well as breathing problems, and even exacerbate lung cancer and heart problems, according to a leading expert in indoor air quality.

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Source: Guardian Environment