As with these other disorders, symptoms of fibromyalgia are often made worse by weather, stress or inappropriate exercise.
CSD is further modulated by endogenous and environmental factors, such as hormones and drugs, and also might be influenced by weather, stress and food [14 16].
The single determining factor that causes the plaque to burst, leading to a heart attack, could be anything, including cold weather, stress or overeating.
The factors responsible for the cyclical exacerbation of joint inflammation are poorly understood, but environmental factors such as pregnancy, changes in weather, stress, smoking and infection have received attention as potential triggers [ 5- 8].
Meteorologic parameters also were obtained from the Missouri Department of Natural Resources station and used to calculate ambient apparent temperature, a biologic weather stress index (O'Neill et al. 2003).
Temperature and relative humidity were recorded with a Telaire model 7001 carbon dioxide monitor (General Electric Sensing, Goleta, CA) and used to calculate apparent temperature, a biological weather stress index that incorporates both temperature and relative humidity (O'Neill et al. 2003).
