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.
Depending on its cause, chest pain may be: Sharp; Dull; Burning; Aching; Stabbing; A tight, squeezing, or crushing sensation; Here are some of the more common causes of chest pain. Chest Pain Causes: Heart Problems. Although not the only cause of chest pain, these heart problems are common causes: Coronary Artery Disease, or CAD.