E cigarette and heated tobacco products use and sales in Viet Nam have declined, but illegal sales and hidden use remain a challenge. Using these products is illegal and can lead to fines We were shocked': Vaping considerably increases lung cancer risk among people who smoke E cigarettes are likely to cause cancer, including in the lungs and mouth, according to a sweeping review of scientific evidence that challenges their positioning as a safer alternative to smoking. There is Vaping Linked to Early Cancer Signs, New Study Warns Firstpost America YouTube