And of course, once you start dealing with invertebrate, the time spans can easily be longer than 200 years. So yes, it seems like we're awfully long-lived when you compare us to horses and dogs and cats, but the truth is, there are plenty of examples of animals that live to be well in their 100s, if not 200s.
An antihistamine is a type of drug used to fight allergic reactions. In a severe allergic reaction, an antihistamine can save...
1 An allergen is a substance that your body perceives as dangerous, which causes an allergic reaction. 2  An antihistamine is a medication that prevents congestion, sneezing and itchy, runny nose by blocking histamine (a substance released by your body's immune system after being exposed to an allergen.