Chapter 12, Problem 43RQ

Individuals can slow the rate of aging by modifying all of these lifestyle aspects except for ________. diet exercise genetic factors stress

Researchers have recently demonstrated that stressed people are more susceptible to contracting the common cold than people who are not stressed. What kind of stress must the infected patients be experiencing, and why does it make them more susceptible to the virus?

Describe how long-term potentiation can lead to a nicotine addiction.