Best Answer: There are many factors that can weaken your immune system, depression certainly wont strengthen it. But here are some other factors that may cause your immune system to be bad, or increase your risk to illnesses.
ARIZONA'S PUBLIC LANDS -- BOTH BLESSING AND BURDEN. Arizona covers 72.6 million acres and is the 6th largest state (after Alaska, Texas, California, Montana and New Mexico); but only 15 states have fewer people. Land for growth ought to be plentiful, yet in Arizona there is a short supply in many communities where it is needed most.
The population of Arizona is concentrated around Phoenix, the state capital, and Tucson, its second largest city. The largest county in Arizona by population is Maricopa County, which is home to 4.1 million of the state's 6.9 million people. Containing over 60% of the state's population, Maricopa encompasses nine of the state's ten largest cities. 1  Cities in Arizona. 2  Rank14. 3  2017 Growth Rate 1.43%. 4  Area in Miles (Rank)113,990 (6) 5  State CapitalPhoenix. 6  Statehood Year1912. 7  Red/Blue Red.