Key points from article :
More than one million people have given up smoking since the Covid-19 pandemic hit.
Based on a survey for charity Action on Smoking and Health (Ash).
41% said it was in direct response to coronavirus.
Factors include health concerns, access to tobacco while isolating or no longer smoking socially.
University College London also found more people quit smoking in one year since its survey began in 2007.
7.6% of smokers taking part in the survey quit - almost a third higher than the average.
Government advice says smokers may be at risk of more severe Covid symptoms.
Smoking causes damage to the lungs and airways and harms the immune system, reducing your ability to fight infection.
Hospitalised smokers with coronavirus are 1.8 times more likely to die.