Hi - My fourteen yr old son got his first major concussion when he was away with a youth group - fell full force backwards onto a wood floor - had initial dizzyness, nausea and an extreme headache - we were never called.
The next day he went straight into moving logs and doing landscaping (probably did some shearing damage at that time) He was thankful to feel good - did not experience extreme symptoms for 6 weeks. Went into full blown Post Concussion syndrome and was petrified. We did not leave the house the whole summer (2010). He has suffered 3 setbacks and is still recovering - he is extremely brave and courageous as I'm sure you all are.
As an Integrative Health and Nutrition Coach now working with MTBI survivors, alcohol is very bad for you - especially hard alcohol. Sugar really affects your brain's ability to heal and alcohol is basically fermented sugar. Google sugar and the brain.

Hope that this helps.
Warmly,

Tina Sullivan
Nourish Your Noggin