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Solve the problem.Mrs. Bollo’s second grade class of thirty students conducted a pet ownership survey. Results of the survey indicate that 8 students own a cat, 15 students own a dog, and 5 students own both a cat and a dog. How many of the students surveyed own neither a cat nor a dog?

Avian influenza, or bird flu, is caused by viruses that occur naturally among wild birds and usually does not infect humans. 

“Mono” is a viral disease that targets people 25 to 52 years old. 

College men use more antidepressants; college women, more painkillers and stimulants (Table 15.3).

The least common risk factors are intravenous drug use and occupational exposure from needlestick injury.  

College and university students are not at high risk for colds and influenza-like illnesses.

 Prediabetes is a condition in which blood glucose levels are lower than normal but not low enough for a diagnosis of diabetes. 

Carcinoma, the least common kind of cancer which starts in the epithelium, the layers of cells that cover the body’s surface or line internal organs and glands

 Less than one-third of people having a stroke do not call 911, and an equally less percentage live more than an hour away from a stroke center.  

Gonorrhea, the most commonly reported STI in the United States, can lead to infections in the penis, vagina, rectum, and throat. Gonorrhea infection can result in PID, ectopic pregnancy, and infertility.