Recent knowledge argues in favor of the associated <strong class="boldFont">primary metabolism abnormalitiesstrong>. Though muscle atrophy, a paradoxical <strong class="boldFont">hypermetabolism at reststrong> has often been observed. <strong class="boldFont">Hyperlipidemia and glucose intolerancestrong> are more frequent than in general population.
The heterogeneity of the <strong class="boldFont">nutritional assessmentstrong> of patients in published series is due, partially at least, to the use of disparate criteria and evaluating procedures. <strong class="boldFont">Weight loststrong> is an independent negative survival prognostic factor. <strong class="boldFont">Overweightstrong> may be beneficial for the survival of ALS patients.
<strong class="boldFont">A specific nutritional management for ALSstrong> is an essential point in the multidisciplinary support. <strong class="boldFont">The criteria leading to artificial nutritionstrong> indication are medical, mainly based on percentage of weight loss, but also psychological and ethical.