The Food and Drug Administration said cartridge-based e-cigarettes in flavours "other than tobacco or menthol" would be illegal unless they receive specific authorization from the government.
Tobacco companies have used celebrities like British singer Lily Allen and Oscar-winning actor Rami Malek in posts to promote e-cigarettes.
Scientists found that current and former e-cigarette users were 1.3 times more likely to develop chronic lung disease, while tobacco smokers increased their risk by a factor of 2.6.
Public health officials are still at a loss to explain the cause of the severe lung illnesses, which have now reached 1,080 cases across 48 states and one US territory so far, up from 805 cases last week.
Los Angeles becomes the latest city to take steps to ban flavored e-cigarettes, after more than 500 people have been sickened in an outbreak of vaping-related illness in the United States.
India has 106 million adult smokers, second only to China in the world, making it a lucrative market for companies producing vaping products.
The Trump administration has announced plans to restrict the sale of vapes after a spate of deaths.
At least six people have died in the US recently after vaping in an outbreak that has sickened hundreds with severe pulmonary disease and left several teenagers in induced comas.
Funded by Cancer Research UK, the study found that switching to e-cigarettes could maximise the potential to help people quit smoking.
The study found that under most plausible scenarios, e-cigarettes and other vapour products have a generally positive public health impact.
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