Oh, it can be risky if you ignore regulations, like selling to kids or fake stuff, but play it smart and its fine
Diabetes Care 46(5):10281036
Personal items, normal luggage, and small quantities of gifts within duty-free limits usually do not require formal declaration
Although research is just now emerging about the health effects of e-cigarettes, vaping does carry risks of problems for your heart, in addition to your lungs and other parts of your body
Sugar-sweetened beverages, which include any drink that contains added sugars, such as soda, fruit and sports drinks, and energy drinks, or coffee and tea with added sugars, have also been associated with increasing the risk of several cancers including liver and colon cancers, as well as other chronic diseases including diabetes and kidney disease (234)(235)(236)(237)(238)(239)(240)