Thinking about past stressful events may increase inflammation levels in the body by 20 percent, reveals study.

She said that while occasionally stewing over something doesn't cause the kind of inflammation, which is considered high-risk for cardiovascular disease and other illnesses, constantly doing it could make people more vulnerable to inflammation-related disorders.
According to a study from the University of Kansas, if a person is freaking out, the individual should just slap a smile on their face, as even just faking a grin can help reduce stress responses and lower their heart rate.
Source-ANI