![Mydriasis](http://brainyfacts.net/wp-content/uploads/stress-Pupils-dilate.jpg)
![Mydriasis](http://brainyfacts.net/wp-content/uploads/stress-Pupils-dilate.jpg)
Blood sugar levels
Stress can alter blood sugar levels, which can cause mood swings, fatigue, hyperglycemia, and metabolic syndrome, a major risk factor for heart attack and diabetes. Fact source...![Laughing benefits](http://brainyfacts.net/wp-content/uploads/laughing.jpg)
Laughing benefits
Laughing lowers stress hormones (like cortisol, epinephrine, and adrenaline) and strengthens the immune system by releasing health-enhancing hormones. Fact source...Stress-related disorders
Men are more likely than women to develop certain stress-related disorders, including hypertension, aggressive behavior, and abuse of alcohol and drugs. Fact source...![The silent killer](http://brainyfacts.net/wp-content/uploads/the-silent-killer.jpg)
The silent killer
Stress has been called “the silent killer” and can lead to heart disease, high blood pressure, chest pain, and an irregular heartbeat. Fact source...![Hair loss](http://brainyfacts.net/wp-content/uploads/hair-loss-1.jpg)