Do the Effects of Exercise on Breast Cancer Prevention Vary With Environment
Annual rept. 18 Sep 2003-17 Sep 2004
SOUTH CAROLINA UNIV COLUMBIA
Pagination or Media Count:
Does walking outdoors have the same breast cancer protective effect as walking on a treadmill indoors, away from natural light, in a typical gym atmosphere Is the ambient exposure to sunlight important in stress and breast cancer risk reduction Our basic premise is that the breast cancer protective mechanisms of exercise depend on context of exercise, not just on the number of repetitive muscular contractions completed over a specific period of time, and that a more pleasant and peaceful environment will decrease perceived stress and enhance immunity, theoretically leading to more positive mood and more effective cancer surveillance. A more relaxed walking atmosphere may decrease physiological consequences of stress, such as decreasing salivary cortisol, alpha-amylase, and melatonin. Revisions to the original endpoints include adding 3 questionnaires to assess mood changes, and including of physiological measures of stress alpha-amylase, melatonin, and cortisol. By focusing on the context of exercise indoor versus outdoor, we will be able to better define the important aspects of exercise on breast cancer prevention.
- Medicine and Medical Research
- Stress Physiology