It may due to excess alcohol intake .alcohol known to be gastric irritant and can lead to gastritis
resulting in poor absorption and nutritional deficiencies .Vit bcomplex deficiencies may ad to peripheral neuritis
that cause the pains in the extremities . It is advisable to limit alcohol intake and take healthy balanced diet .Vit b1 ,b6, b12, injections will help .
hope your problem soon be over .