Parasites give you autoimmune diseases. 

An estimated total of 70–85 million deaths were caused by the conflict, representing about 3% of the estimated global population of 2.3 billion in 1940.[1] Deaths directly caused by the war (including military and civilian fatalities) are estimated at 50–56 million, with an additional estimated 19–28 million deaths from war-related disease and famine.

I do not understand "door disease" or "door syndrome": one hotel, resort, or apartment complex, is better than two hundred separate LTR's agree.

If 4,500 mailers went out, you would definitely get some crazy, insane people calling and yelling at you, wishing you would die of deadly diseases, etc.

As I said, based primarily on something that they heard about on BP that are selling them on something for nothing, instantaneous gratification, diseased mentality.  

Eat too much & you'll get heart disease.

As a 71 year old and very long term real estate investor I to have gone through times and particular properties that nearly had me reconsider my disease of real estate investing or occupation if I can call it that. 

.- Send me and all the people I convinced to give you money a legal threat when I or they complain or ask for help on this forum.3) "Unethical Wholesaling": ($9999 - but can be financed over 3 years)Where you reassure me that the increasingly illegal practice of wholesaling is not, in fact, illegal or unethical, and that I should be proud of the work I do in helping "Solve problems" for people dealing with death, disease, divorce, or disaster, by sending them large amounts of mail, and that it is wise to get a fake "Proof of Funds Letter" so that old, desperate ladies will think that, even though I am 23 and broke, that I am a legitimate potential buyer of the house - no need for them to get an agent involved.Sums it up PERFECTLY. 

The biggest issue is that the Elm is severely threatened from Dutch Elm disease; in fact like the chestnut tree there are efforts to create a hybrid that's resistant to the disease before they are all wiped out.

Addiction is the disease of chronic relapses and heroin is a monster, so issues do occur.