To be human

Not much has hap­pened on this blog recent­ly, because I have been tired a lot. Last week it turned out that I have a vit­a­min B12 defi­cien­cy, which may explain the tired­ness. I had this defi­cien­cy before and have been tak­ing vit­a­min B12 sup­ple­ments since then, but appar­ent­ly I did­n’t take enough. My ener­gy lev­els …