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Understanding these risks helps frame why people look for alternatives to cigarettes for better respiratory health

Changi Rewards points can also be earned and used across participating airport stores

HEPA air purifiers can range from $50 to more than $1,000, and it often makes sense to scale up

Cartons are the most common bulk purchase unit at retail available at grocery stores, convenience chains, warehouse clubs like Costco and Sams Club, and duty-free shops at airports and border crossings

All beta () and odds ratio (OR) values from regression models are adjusted for age, education, ethnicity, and smoking status

Of all the U.S