It makes sense that you're confused, because alcoholism can be BOTH a habitual (psychological) and a chemical (physical) addiction.Some people become dependent on drinking, and like your housemate(s), need the alcohol every night. Psychological dependence is drinking in order to function normally and feel good.t makes sense that you're confused, because alcoholism can be BOTH a habitual (psychological) and a chemical (physical) addiction.
Though they are generally a healthy breed, Salukis can develop heart conditions such as cardiac tumors and cardiomyopathy; eye conditions such as cataracts; and cancers such as lymphoma and liver cancer. 1. Greyhounds. Known as the â45-mph couch potato,â the Greyhound is the fastest dog breed in the world. Its need for speed comes from a natural prey drive to pursue small game, and Greyhounds can achieve speed bursts of more than 40-mph.
The fastest thoroughbred racehorse has reached top speeds of 55mph, almost double that of Usain Boltâs 100m world record top speed. However, thoroughbredâs arenât just fast, theyâre also known for their stamina and can maintain a pace of 16 mph for 60 miles.Talk about the ultimate ultra marathoner.. Sarah, a cheetah residing at the Cincinnati zoo is undoubtedly the fastest of all land mammals. On June 20, 2012 she ran 100m in 5.95 seconds with a top speed of 61 mph. Thatâs nearly 4 seconds faster than Boltâs 100m world record and more than double his top speed.