I was getting suspicious of those cheap inverters
Heartburn Symptoms The most common symptoms of heartburn are (x): Stomach noises Sour taste in your mouth Dry mouth Experiencing a horrible burning sensation in the chest, often just behind your breastbone (adjacent to the heart) after a meal Having a difficult time lying down or sleeping due to pain Gum irritation, including bleeding and tenderness Tooth erosion Swelling or pain in the throat Bad breath caused by acidic foods being slightly regurgitated Nausea and at times loss of appetite Burping, bloating or releasing gas after meals People with chronic, long-term GERD or heartburn are at a higher risk for severe complications, including Barretts esophagus, narrowing (stricture) of the esophagus, asthma, severe tissue scarring, hoarseness, chronic coughs and esophageal cancer (x)
For example, this 2017 study showed that left handed individuals performed better during problem-solving tasks when compared to righties
The multi-pack discounts are funded by the manufacturer
MSA funds also serve as a source of some of the funding for Lung Association prevention, education and quit tobacco efforts in a number of states
Or even non-living accidental adulterants like wires, metal shavings, chunks of wood, or anything else that gets dropped in on the factory floor