hi ,my brother has started to have symptoms of dizziness . pains in his chest , headaches, pins and needlsa ,numbness in feet , he doesnt look good sometimes yellow in colour , he feel lights in cars annoy him , he has been to his doctor and a and e several times , he does hav fat in the liver found by a blood test , he feels that there is something going on but doctors r putting him down to depression , could u give me some tips as to what to do next