Body odor is caused by a mix of bacteria and sweat on your skin. Your body odor can change due to hormones, the food you eat, infection, medications or underlying conditions like diabetes.

Nov 26, 2025 · There are many reasons why you may still smell bad even with good hygiene. Learn about what causes strong body odor and how to prevent it.

What causes body odor? You probably notice body odor most when you're sweating. Your body has two main types of sweat glands — eccrine and apocrine — that release fluid (sweat) onto …

Jun 23, 2025 · Changes in your breath can be a symptom of several health conditions. These include sinus infections, gum disease, and acid reflux. Sjogren’s syndrome, an autoimmune …

Dec 18, 2025 · Body odor forms when sweat mixes with skin bacteria, often around the armpits. Hormonal changes and certain foods can increase this odor.

Jul 30, 2025 · Body odor does not originate directly from sweat itself, as sweat is largely odorless. Instead, it forms when bacteria on the skin interact with sweat. The human body contains two …

Nov 6, 2025 · Body odor is caused when bacteria on the skin combine with sweat. Our skin is naturally covered in bacteria. When skin is dirty, water, salt, oils, etc., mix with these bacteria …

Nov 18, 2025 · Body odor originates from two main types of sweat glands: eccrine and apocrine. Eccrine glands are distributed across most of the body, producing a secretion of mostly water …

May 3, 2025 · Learn more about the causes, treatment and self-care of these natural and common skin conditions. Unusual changes may mean a health problem.

Body odor that is excessive or abnormal (bromhidrosis) is the result of the breakdown of sweat by bacteria and yeasts that normally live on the skin.