Thu June 19, 2003 11:22 AM ET SAN FRANCISCO (Reuters) - Finding quick sex may be easier than ever because of the Internet, but it is also leading to growth in some sexual diseases, especially among gay men, a San Francisco health official said on Wednesday. Jeffrey Klausner, director of sexual disease prevention at the city's Department of Public Health, said 38 percent of recent syphilis cases are among people who met online, up from 20 to 25 percent two years ago. He said getting diseases such as syphilis was more likely when meeting people online than in every day...