Classification methods. Vehicles can be categorized in numerous ways. For example, by means of the body style and the level of commonality in vehicle construction as defined by number of doors and roof treatment (e.g., sedan, convertible, fastback, hatchback) and number of seats that require seat belts to meet safety regulations.
Digestive Coffee Intolerance Symptoms. Digestive coffee intolerance symptoms can include: headaches, ringing in the years, fatigue, abdominal pain and cramping, gas, bloating, nausea, diarrhea, vomiting, frequent urination and more. Not all people who have a coffee intolerance will experience the same symptoms or the same severity of symptoms.
Curbing your caffeine habit. Whether it's for one of the reasons above â or because you want to trim your spending on coffee drinks â cutting back on caffeine can be challenging. An abrupt decrease in caffeine may cause withdrawal symptoms, such as headaches, fatigue, irritability and nervousness. Fortunately, these symptoms are usually mild and resolve after a few days. To change your caffeine habit more gradually, try these tips: 1  Keep tabs.