I just got my first e-cig (dse-901) on Fri the 30th and used it for the first time on Sat the 31st. I took like 3 hits off it by dropping 2 drops on the atomizer with no cartridge of 11mg juice and got a crazy headache. After that I hit it maybe twice more that day, a few times on Sun all the while never getting rid of my headache and I was takin advil as well. Monday came and I didn't use it at all headache went away by bed time. Tues I took 2 or so hits and didn't get a headache, Wed a couple hits no headache and yesterday I got home from work and drank a few glasses of wine and was dying for a real cig but decided to smoke the 901 instead and puffed heavy....about an hour later I got a mild headache. Today I have not used it yet and don't have any headaches. So my question is.....I read on here about people getting headaches during the first week or so of use then it subsiding how many of you new users expireenced this? Those that did, did the headaches eventualy stop coming and how long till you no longer got any?