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Can exercise training with weight loss lower serum C-reactive protein levels?
Koichi Okita1, Hirotaka Nishijima, Takeshi Murakami
1Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine, Kita-15, Nishi-7, Kita-ku, Sapporo 060-8638, Japan. okita@med.hokudai.ac.jp.
Arteriosclerosis, Thrombosis, and Vascular Biology
|July 31, 2004
Summary
Exercise training with weight loss significantly reduced C-reactive protein (CRP) levels and cardiovascular risks. Moderate weight reduction showed the most significant decrease in CRP, suggesting an optimal pace for exercise and weight loss.
Area of Science:
- Cardiovascular Health
- Inflammation Biomarkers
- Exercise Physiology
Background:
- C-reactive protein (CRP) is an inflammatory marker linked to obesity and cardiovascular disease.
- Diet-induced weight loss is known to reduce CRP levels.
- The impact of exercise training on CRP, independent of weight loss, remains unclear.
Purpose of the Study:
- To investigate the effects of exercise training combined with weight loss on CRP levels.
- To assess the impact on conventional cardiovascular risk factors.
- To explore the relationship between the extent of weight reduction and changes in CRP.
Main Methods:
- A 2-month supervised aerobic exercise program was conducted.
- 227 healthy women were recruited, with 199 completing the study (average age 52).
- Weight reduction, CRP levels, and cardiovascular risk variables were measured before and after the program.
Main Results:
- Weight decreased significantly (65.8 to 62.8 kg), and cardiovascular risk factors improved.
- CRP levels significantly decreased (0.63 to 0.41 mg/L).
- Changes in CRP were not directly proportional to weight reduction; moderate weight loss showed the most significant CRP decrease.
Conclusions:
- Exercise training with weight reduction effectively lowers CRP levels.
- There may be an optimal rate of weight loss through exercise for reducing inflammation.
- This suggests a nuanced relationship between exercise, weight loss, and CRP reduction.