The net profit margin ratio is a profitability ratio. Essentially, it's the percentage of profit from business operations after you've deducted business operating expenses, interest expense, taxes and preferred stock dividends from revenues. Common stock dividends are the only major debit item left out of the equation.
Severe Allergic Reaction Facts. Anaphylaxis is a severe allergic reaction that occurs rapidly and causes a life-threatening response involving the whole body. This reaction can lead to difficulty breathing and shock ultimately leading to death. For an anaphylactic reaction to occur, you must have been exposed in the past to the substance that causes the reaction, called the antigen. A bee sting, for example, may not cause an allergic reaction the first time.
Almost 10,000 people stay in the hospital each year because of food allergies. 12 How Many People Die from Allergies? The most common triggers for anaphylaxis, a life-threatening reaction, are medicines, food and insect stings. 3 Medicines cause the most allergy related deaths. 3 African-Americans and the elderly have the deadliest reactions to medicines, food or unknown allergens. 5