They may be consumed up to the use by date. Unopened deli meats generally keep for two weeks. However, once the package is opened, the use by date is meaningless; the meat should be consumed within 3-5 days. This is because anti-oxidative gases that preserve pre-packaged deli meats escape from the packaging once it is opened. Unopened packaged deli meat can be frozen for one to two months.
Chest soreness that is caused by working out used to be attributed largely to the buildup of lactic acid, which is a waste product created by the muscles when strained.
Not all chest pain is a sign of heart disease. Other conditions also can cause chest pain, such as: This content was last reviewed July 2015. Learn more: Angina is chest pain or discomfort caused when your heart muscle doesn't get enough oxygen-rich blood.It may feel like pressure or squeezing in your chest. The discomfort also can occur in your shoulders, arms, neck, jaw, or back. Angina pain may even feel like indigestion.But, angina is not a disease.ot all chest pain is a sign of heart disease. Other conditions also can cause chest pain, such as: This content was last reviewed July 2015. Learn more: Angina is chest pain or discomfort caused when your heart muscle doesn't get enough oxygen-rich blood.