Our sense of smell is the oldest of the five senses and was fine-tuned for survival — it evolved to keep us from walking into danger or eating spoiled food. But sometimes, smell gets it wrong.

Bad breath, also known as halitosis, is a prevalent oral health issue that affects people of all ages worldwide.

Cockroaches on top of food cans, garbage smells around a motel, problems with water pressure and temperature, filthy kitchen conditions, mouse nests, dirty equipment and mishandled foods are among ...

What you eat affects your body odor. Foods that tend to make you sweat more, such as hot peppers or other spicy foods, might also lead to body odor. And the aroma of foods like onions or garlic ...