Shares in tobacco companies fell after the US Food and Drug Administration ( FDA ) said it is investigating possible links between e - cigarettes and seizures . The FDA said there had been reported cases of people , especially young children and teens , suffering seizures after vaping , but it is unclear whether e - cigarettes were the cause . A recent study has said the proportion of adults claiming e - cigarettes were as bad as the conventional versions had risen sharply .
Shares in tobacco companies fell after the US Food and Drug Administration (FDA) said it is investigating possible links between e-cigarettes and seizures. The FDA said there had been 35 cases of people, especially young adults and teens, suffering seizures after vaping, but it is unclear whether e-cigarettes were the cause. A recent study has said the proportion of adults thinking e-cigarettes were as bad as the conventional versions had risen sharply.