Numb penis

i am 23, non drinker and smoker. never masturbated more than twice a week. but from past few months my penis has become numb. it feels like i have lost some sensation of penis head like glans and shaft. foreskin is fine i can feel hot and cold surface and water on it but can't feel same from glans. no pain or anything at all. also i feel like somethings wrong with my bowel movement. i can't empty my stomach completely. can it be a problem?

Some men have sensitive glans, while some have less sensitive glans.

Shouldn’t be a problem.

If you have any doubts, consult a urologist.

I basically agree with Amarjeet - but I wonder if you have something else going on:
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  • How would you describe your diet, is it rich in different nutrients or do you eat a lot of junk food like burgers, for example?
  • what do you do typically: are you involved in an active sport, do regular sports training, gym workouts and actually do competitive sports (usually)?
  • are you a stressed person generally - so this could be what you have going on in your daily life causes you stress, you may have the feelings of a bloated stomach or discomfort in the abdomen region?
    • many
  • you may feel that you want to have another bowel movement not long after you have already done this?
    .
    So what I am getting at, the symptoms you have in your penis may be directly to do with your penis itself, and therefore a urologist is the person to see. However, you may have something much broader going on with your health generally and this is impacting on different areas of your body …