Long-term DPH effects survey
Answer as accurately and as honestly as possible. Rough estimates are fine for questions that ask for certain time periods. 

Please do not participate in the survey if you have never taken DPH at a dose of 300mg or higher. The purpose of this survey is to quantify the effects of high doses of DPH in the long term.
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What is your gender?
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Do you have any diagnosed medical conditions or any family history of such conditions? Please list them if you do. Skip this question otherwise.
Do you have any professionally diagnosed mental disorders? Check all that apply. Leave blank if you do not have any professionally diagnosed mental disorder.
Do you take any prescribed medication? Check all that apply. Leave blank if you do not take any prescribed medication.
Do you use any other psychoactive substances? Check all that apply. Leave blank if you do not use any other psychoactive substances.
Do you use any nootropic substances? Check all that apply. Leave blank if you do not use nootropic substances.
Do you still use DPH, whether it be frequently or occasionally?  *
How many times have you used DPH at a dose of 300mg or higher? *
What is the highest dose of DPH that you have ever taken?
What doses do you/did you use most frequently on average? *
How long ago was your first time using DPH at a dose of 300mg or higher? If you don't know try to give your best guess (i.e. 1 year ago, 3 months ago, etc.) *
How long ago was your last time taking a dose of 300mg or higher? If you don't know try to give your best guess (i.e. 1 year ago, 3 months ago, etc.) *
Do you experience any of the following symptoms on a regular basis when you are not on DPH? Check all that apply. Leave blank if none apply. If you experience any symptoms not listed here, please enter them in "other."
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