 [ Symptoms ] can bad blood circulation cause small penis girth for an adult  to be more specific i am 25 years old quite overweightobese and am slightly below avg in girth since being overweightobese can cause a myriad of health issues regarding bad blood flowcirculation could this cause a lack of blood in the penis leading to a smaller girth would losing weight and improving blood flow increase girth would the gains be noticeable [ Disease ] original poster here thank you for the answers you both have given me good advice i am wondering do doctors and medical advisers ever answer these questions also after learning more about this subject i am wondering if i could be suffering from a mild case of erectile dysfunction i can get an erection pretty easily but i can tell that it is not not as hard as it could be i also can lose an erection prett easily if i do not keep myself stimulated which to me means not enough blood anyone else agree with that line of logic i am planning on going after the simpler causes of ed overweight high cholesterol bad diet stress little exercise  which i have in my life even if it does not help me out i will at least be healthier in general thank you so much please keep the answers coming