The wanderlust genes: Our DNA could be to blame for our need to travel
http://www.dailymail.co.uk/travel/travel_news/article-3476640/The-wanderlust-genes-DNA-blame-need-travel-claims-scientist.html
A biologist from Indiana has revealed that our biological background may be the reason for our modern day travel bug when comparing today's decisions to the prehistoric man. Years of studies have proven a link between extra dopamine - a compound which works as a precursor of substances including adrenaline - and a tendency to make impulsive decisions.
This excess of dopamine has also been associated with a specific gene, DRD4-7R, which is known to cause people to take risks, explore new places, ideas, foods, relationships, drugs, or sexual opportunities.
Read more: http://www.dailymail.co.uk/travel/travel_news/article-3476640/The-wanderlust-genes-DNA-blame-need-travel-claims-scientist.html#ixzz41z72XIQW [/size]