Every strong feeling can result in body releasing a special odor.
If you were a dog or a bear you would be able to smell emotions, like other peoples fear, joy, anger, sadness, desperation etc.
People who live long time in wildereness, sharpen their sense of smell and are able to easily smell other people.
But, some people have so strong Body Odor
that anyone can smell them.
Anxiety and fear are very strong emotions and create stong chemical and physical changes inside human body.
Fear can result in release of a huge amount of adrenalin and also some other hormones.
Every single one of your body hairs can stand as a result of hormonal changes inside your body. It can happen in a split second.
Your sweat will automatically change its smell, thanks to adrenalin.
Predator animals like wolfs and bears and lions an tigers can smell your fear sometimes 30 m away.
If they can smell it so far away , humans can semll it 1 - 5 meters away from you.