Transmitting future asthma by smoking today
From Science Daily:
Asthma is a serious public health problem. An estimated 300 million people worldwide suffer from this sometimes deadly lung disease, a number expected to increase to 400 million by 2025. One well-established risk factor for asthma is having a mother who smoked during her pregnancy. However, researchers recently discovered that smoking can have a lasting legacy. When animal mothers are exposed to nicotine during pregnancy -- a proxy for smoking -- their grandchildren were also at an increased risk of asthma, even though they were never exposed to nicotine themselves. Read more.