For over a year, Zoe had avoided getting a free COVID-19 vac…

For over a year, Zoe had avoided getting a free COVID-19 vaccine because she was concerned that it might cause an increase in her periodic headaches and worsen her insomnia. After her employer required that she get the vaccine, she agreed. For several months thereafter, she reported to her physician, employer, and family members that she was experiencing frequent headaches and sleeplessness. Zoe’s symptoms might MOST LIKELY be due to

Two weeks ago your nephew came down with the chickenpox whil…

Two weeks ago your nephew came down with the chickenpox while visiting. Now you have itchy, crusted spots on your arms and you feel terrible. You probably were infected with the chickenpox virus when your nephew was there but did not get sick until now because of the

Except for physical education classes in elementary and high…

Except for physical education classes in elementary and high school, Jayleen has been sedentary all her life. Motivated by her mother’s recent diagnosis of high blood pressure, Jayleen, now a junior in college, wants to improve her physical fitness. Her first step should be to