I'm an 18 year old male, and I'm 115 lbs. And no matter how long I go without showering, I never produce any body odor beyond a faint smell of dry grass and pepper. I know some East Asian people don't produce much body odor, as a natural evolutionary trait. But I'm not Asian, I'm from Armenia. I only noticed it going into high school because many people would get sweaty once in gym class after 45 minutes, and immediately fill entire hallways with a smell like rancid cheese, rotten eggs, septic rot, or pickled fish, while I could just stop wearing deodorant for an entire month or even stop showering, and I wouldn't smell like anything. Only my hair would get really greasy. I don't understand why this is. I went through puberty, I have body hair, I sweat a normal amount, and after puberty my hair and skin got really greasy. But for some reason, I don't produce noticeable body odor, no matter how long I go without deodorant. If you smell it directly from very close up, after I go a few weeks without showering, like when I'm camping in the forest, there is a faint herbal smell, or a smell of wood chips, and a very slight phosphorus smell, like a burnt firecracker or a shotgun shell.Could this have something to do with diet or genetics?