What causes body odor?
Body odor happens when bacteria on your skin come in contact with sweat. Our skin is naturally covered with bacteria. When we sweat, the water, salt and fat mix with this bacteria and can cause odor. The odor can be bad, good or have no smell at all. Factors like the foods you eat, hormones or medications can affect body odor. A condition called hyperhidrosis makes a person sweat excessively. People with this condition may be more susceptible to body odor because they sweat so much, but it’s often the eccrine sweat glands that cause the most discomfort with sweaty palms and feet.
Every time you sweat, there’s a chance you’ll produce an unpleasant body odor. Some people are more susceptible to foul body odor than other people.
Other factors that can affect body odor are:
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Why does my sweat smell bad?
There can be several reasons your sweat smells bad. For example, certain medications, supplements or foods can make your sweat smell bad. Remember, the sweat itself isn’t what smells; it’s the bacteria on your skin combined with the sweat.
Several medical conditions and diseases are associated with changes in a person’s usual body scent:
If you have diabetes, a change in body odor could be a sign of diabetes-related ketoacidosis. High ketone levels cause your blood to become acidic and your body odor to be fruity. In the case of liver or kidney disease, your odor may give off a bleach-like smell due to toxin buildup in your body.
Do hormonal changes cause body odor to smell?
Yes, changes in hormones can cause your body odor to smell. Hot flashes, night sweats and hormonal fluctuations experienced during menopause cause excessive sweating, which leads to changes in body odor. Some people believe their body odor changes when they’re pregnant or menstruating. Research suggests a person’s body odor changes during ovulation (the time in a person’s menstrual cycle when they can become pregnant) to attract a mate.
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Can certain foods cause body odor?
The saying, “you are what you eat,” may apply to body odor. If you eat food rich in sulfur, you may develop body odor. Sulfur smells like rotten eggs. When your body secretes it in your sweat, it can put off an unpleasant smell. Examples of sulfur-rich foods are:
- Onions.
- Garlic.
- Cabbage.
- Broccoli.
- Cauliflower.
- Red meat.
Other common dietary triggers of bad body odor are:
- Monosodium glutamate (MSG).
- Caffeine.
- Spices like curry or cumin.
- Hot sauce or other spicy food.
- Alcohol.
Eliminating or reducing these triggers may help improve your body odor.
