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When it comes to smoking, your risk of developing cancer increases not just based on how long you smoke but on how much you smoke

Coverage area: 219 square feet | CADR Rating: 141 (smoke), 140 (dust), 145 (pollen) | Minimum noise level: 24 dB | Dimensions: 8.7 x 8.7 x 14.2 inches | Weight: 7.48 pounds | Returns and warranty: Free returns within 30 days (if purchased directly from Levoit), 2-year limited warranty Pros: Affordable price point Compact design for smaller spaces Smoke-specific replacement filters available Cons: Some users report it can be loud The Levoit Core 300 Air Purifier is a great choice for spaces up to 219 square feet, capable of refreshing the air up to five times an hour in rooms of this size

What are the health benefits of Japanese cigarettes

doi:10.1056/nejmra1308383