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.
Bigger muscles, faster whippet. Differences in a muscle gene make some whippets even faster. Whippets are really fast dogs. They can run up to 35 miles per hour. And many of the fastest ones have a genetic mutation that makes them so fast.A new study found that whippets that had a certain change in the myostatin gene were stronger and faster.hey can run up to 35 miles per hour. And many of the fastest ones have a genetic mutation that makes them so fast. A new study found that whippets that had a certain change in the myostatin gene were stronger and faster.