Actor Mamitha Baiju, 25, recently revealed that she battled a 102-degree fever, asthma and allergies while shooting for a song in the cold weather of Ooty alongside Suriya, even requiring hospital visits for nebulisation. Pulmonologist Dr Manas Mengar explained that cold temperatures, dust, pollen, smoke, fragrances, artificial fog, generator fumes and poor air quality can irritate the airways, while strenuous dancing and repeated takes may furt…