In practice, smokers often compensate by inhaling more deeply, taking more frequent puffs, blocking ventilation holes, or smoking more cigarettes to achieve the same nicotine intake
Federal law prohibits a manufacturer from making a therapeutic claim unless the manufacturer applies to the FDA and demonstrates the product is safe and effective

Additional Information Please access these websites via the online version of this summary at The UK National Health Service Choices website provides information about allergic rhinitis, hay fever (including personal stories), allergic dermatitis (including personal stories), and food allergy (including personal stories) The US National Institute of Allergy and Infectious Disease provides information about allergic diseases The UK not-for-profit organization Allergy UK provides information about all aspects of allergic diseases and a description of the atopic march MedlinePlus encyclopedia has pages on allergic rhinitis and allergic dermatitis (in English and Spanish) MedlinePlus provides links to further resources about allergies, eczema, and food allergy (in English and Spanish) Introduction Allergic rhinitis, allergic dermatitis, and food allergy, in addition to asthma, are extremely common diseases worldwide

Avoid secondhand smoke Seek out smoke-free environments and dont allow friends or family members to smoke in your house or car