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.
An acre is a unit of area, it is 43560 square feet, but it can be any shape, a square, a circle, a long thin rectangle, a triangle, pie shaped or any other shape. 1  If it is a square, the sides would be approximately 209 fet long and you would need 4 209 = 836 feet of fencing.