Why do some peo­ple devel­op unhealthy eat­ing styles while oth­ers do not, although many of us share sim­i­lar envi­ron­ments? And why do many peo­ple with obe­si­ty strug­gle to stick to their dietary goals? The answer could be found in our brain, which deter­mines how and why we make cer­tain deci­sions and how we process information.