Some diseases that cause body odor are trimethylaminuria and bromhidrosis, according to Medscape and MedicineNet. Trimethylaminuria is an error of metabolism associated with the smell of rotting fish. Bromhidrosis is bod... More »

According to the Mayo Clinic, body odor is the result of sweat combined with bacteria on the skin. Mayo Clinic explains that the eccrine glands emit sweat when the body overheats, and this sweat evaporates and cools the ... More » Science Human Anatomy

Diabetes is one of several diseases that can cause body odor, according to HealthTap. In the case of diabetes mellitus, ingested sugars raise the level of glucose in the blood. Having an elevated blood glucose level is t... More » Health Conditions & Diseases

Mutated genes, increased levels of trimethylamine-producing bacteria and excess dietary proteins can cause trimethylaminuria, a condition in which a person's sweat, breath and urine smell like fish, according to Medicine... More »

The causes of bad urine odor include certain foods, dehydration, urinary tract infections and certain diseases, states Healthline. Someone with an odor that lasts for more than three days should immediately consult a doc... More »

The kidneys are located against the lower abdomen's back muscles, so diseases affecting the kidney may present as a sharp lower back pain that occurs between the buttocks and the lowest rib, according to MedicineNet. Dep... More »

Numbness in the toes can be caused by nerve damage, injury to the foot or be a result of poor circulation due to diseases such as peripheral vascular disease or diabetes; low back pain associated with radiculopathy or pi... More »