No offense to you Donna, but you're wrong on this one. There is no sure fire way to know how prior concussions are going to affect your ability to recover from a new one (if they to affect it at all). Most professional football players, whether they acknowledge it or not, have sustained AT LEAST 30 or so mild concussions during their playing careers, though they tend to not consider a hit to be a concussion unless they have pronounced symptoms for at least a couple of hours after their impact (otherwise they just call it getting their "bell rung"), and yet the vast majority of these football players will show little or no ill effects from these repeated head injuries as they grow older.

I have a friend who's lost consciousness from head injuries over 10 times in his life, and yet he actually claims he recovered faster after each subsequent head injury (first one took two weeks, second week and a half, third a week, and so on). Other people would likely say that the inverse is true, where it's taken them longer and longer to recover from each head injury they've had. Still other people (myself included) only had one head injury, and have yet to fully recover from it. Simply put, there is NO WAY to definitively predict recovery from a head injury, and expecting you to take longer or shorter to heal because of the mild head trauma you've had in the past would be a foolish endeavor. Your past may have some bearing on your recovery right now, but if it does it's likely to be EXTREMELY minimal. Don't worry about your old bumps to the head, you've got enough to worry about as is.

No conventional doctor is going to "treat" you regardless of where you go. They can give you pain killers for headaches, or stomach pills for nausea, or Xanax for mood problems, but they aren't going to give you some magical pill that makes your brain heal like it's supposed to. I would say that it might be beneficial to see a doctor for this merely to get information, but unfortunately the VAST majority of doctors know absolutely nothing about the brain. I would say that it would be a waste of time and money to go see a GP type doctor for this, and it would DEFINITELY be a HUGE waste of money to go to the ER. Don't touch the ER with a 10 foot pole for PCS symptoms, that's like going to the grocery store to buy a grand piano.

Alcohol will make your symptoms FAR worse (believe me on this one, I was in college when I first hit my head and continued to try to drink after my injury for quite some time, the hangover effects were far more like dementia than anything you'd expect from alcohol). Introducing alcohol to your body also puts the healing your brain is doing on hold, as it needs to drop everything and get the alcohol out of your system entirely before it can go back to healing from your injury. There's no evidence to support that alcohol puts a stop to healing, it just puts healing on hold (also, drinking is going to make it more likely that you'll fall over again, so it increases the probability of your hurting yourself further).

You need to do whatever feels right to you. If you feel like you're able to go back to work, then go back to work, but if you feel like you don't have enough gas in the tank, then you're going to need to extend your vacation from the tour. Stress does complicate things significantly with recovery, so just keep your relative peace of mind as your highest priority while you're recovering and you'll be fine.

It's sort of like a massage, but for the brain and spine. It works to knead out the energy of the impact your head took when you sustained your injury, so that your brain can move past that impact and heal without any obstructions. As far as I have found, craniosacral therapy is the single best therapy for concussions that can be found.