| | Public Health Safety | Smoking How long will tobacco last if kept sealed? Properly sealed and stored, unopened tobacco can last for several years. However, once opened and exposed to air, its quality will deteriorate more rapidly. Smoking - Related Articles Is there massage with happy ending in Charlottesville? Milk Thistle: Side Effects & Interactions Farm Chemical Lab Safety Pitta Dosha Characteristics Can a person be diagnosed with epilepsy schizophrenia and bipolar disorder? How to Size an Incinerator How much does lap band surgery generally cost?