Dr Samantha Walker, Director of Research and Policy at Asthma UK, says:
"Smoking not only increases your risk of having a potentially fatal asthma attack, it is also a contributing factor in causing people to develop asthma. This study suggests that there may also be much longer-term effects as through genetic changes, smoking could also affect the risk of developing asthma in subsequent generations. More investigation is needed to better understand this, which is why people with asthma need to see more investment into asthma research. Asthma is a complex condition so studies like this one help us to understand the roles that genes play and therefore how we can find better treatments and ultimately a cure. Until then, people need the right advice to be able to make informed decisions about their health and the health of future generations."