Your body odor may change due to hormones, foods you eat, infections, etc. Infectious disease · Diabetes-related ketoacidosis · Menopause · Hyperhidrosis. Feces smell naturally due to bacteria and compounds. However, if it smells worse than usual and has other symptoms such as diarrhea, abdominal cramps, or nausea, it could be a sign of infection.
Certain bacteria, viruses and parasites can cause stomach bugs. Giardiasis is a type of diarrhea that causes an unusual odor in the stool. The cause is the giardia parasite, which is normally found in untreated food and water. When it comes out of our pores, sweat is relatively odourless.
A powerful scent emerges when bacteria that live in our armpits devour sweat as food and release intoxicating odors as a by-product. Compounds that are transported through the blood can also be released through the sweat glands. This can cause your armpits and skin to smell bad. It's normal for stress to cause the release of foul-smelling compounds through sweat.
In reality, sweat doesn't smell on its own. Sweat glands secrete proteins, which produce an odor when bacteria that live on the skin break them down. When they do, they also produce waste products and it is these waste products that cause the unpleasant odor. The reason why the smell is usually stronger in the armpits, groin and feet is because those areas are usually hidden from light and are warmer and more humid.
Sweating and body odor are caused by the body's sweat glands. The two main types of sweat glands are the eccrine glands and the apocrine glands. Eccrine glands are found in most parts of the body and open directly onto the surface of the skin. When the body temperature rises, these glands release fluids that cool the body as they evaporate.
Law enforcement officers have long realized that people who arrive for questioning smell of their own personality, but leave with a very similar smell after the stressful interrogation. As a professional olfactory at the New Jersey-based company Sensory Spectrum, she smells things for a living, to help companies evaluate the aromas of a new coffee infusion, or to assess whether a deodorant successfully blocks body odor.
