UK health authorities are warning people not to use nicotine salts and other chemicals in cigarettes due to a possible risk of heart disease.
Key points:The US Food and Drug Administration (FDA) has said it is investigating the possibility of using nicotine in cigarettesThe FDA has warned people not, however, to use tobacco-derived nicotine saltsNicotine salts are chemicals found in many tobacco products including chewing gum, chewing tobacco, snuff and vape products.
But the US Food And Drug Administration said on Thursday that it was investigating whether nicotine salts could cause an allergic reaction.
Nicotine was added to cigarettes in the US in 1961 and has been linked to heart disease, cancer and diabetes.
But US health authorities have raised concerns about the risk of people developing an allergy to the chemicals, particularly in younger people.
The FDA said it was working to determine if the compounds in cigarette smoke posed a health risk.
“We will not be able to determine the safety and efficacy of these products in terms of long-term effects until we can do a safety study to assess the potential long-lasting health effects,” the FDA said in a statement.
“While the FDA has not yet determined whether nicotine is carcinogenic, the safety of this chemical is not in doubt and it is important to note that nicotine is not a toxic chemical.”
The FDA is expected to make a decision on whether to recommend the use of nicotine salts later this year.