1 These bacteria cause most duodenal ulcers. When H. pylori bacteria infect the intestine, the infection can weaken the lining of the intestine.  You regularly take nonsteroidal anti-inflammatory drugs (NSAIDS), such as aspirin, ibuprofen, naproxen, or ketoprofen.
A sole proprietorship is the most common form of business organization. Itâs easy to form and offers complete control to the owner. It is any unincorporated business owned entirely by one individual. In general, the owner is also personally liable for all financial obligations and debts of the business.
Types of business structures Sole Proprietorship. A Sole Proprietorship is one individual or married couple in business alone. Sole proprietorships are the most common form of business structure. This type of business is simple to form and operate, and may enjoy greater flexibility of management, fewer legal controls, and fewer taxes. However, the business owner is personally liable for all debts incurred by the business.