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...
Histamine: A substance that plays a major role in many allergic reactions, dilating blood vessels and making the vessel walls abnormally permeable.Histamine is part of the body's natural allergic response to substances such as pollens.Antihistamines work by preventing the release of histamine from certain cells (mast cells) thereby blocking the allergic reaction.istamine is part of the body's natural allergic response to substances such as pollens. Antihistamines work by preventing the release of histamine from certain cells (mast cells) thereby blocking the allergic reaction.