What actually causes body odor?

Digestion of red meat is a bit hard for the body, which makes it unpleasant to smell. When you eat a burger, amino acids leave residues in your intestines. When enzymes break down these residues, they combine with skin bacteria and create a bad smell. On the other hand, since digestion of the red meat is a bit hard, the body is a little sweating, so it is always accompanied with this food