Research Topics
Species | Xiang GaoSummaryAffiliation: Harvard University Country: USA Publications
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Publications
Association of multiple sclerosis with restless legs syndrome and other sleep disorders in womenY Li
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital and Harvard Medical School, Boston, USA
Neurology 78:1500-6. 2012..We also prospectively examined whether women with MS had an increased risk of developing RLS during 4 years of follow-up...
Habitual intake of dietary flavonoids and risk of Parkinson diseaseX Gao
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital, and Harvard Medical School, Boston, MA, USA
Neurology 78:1138-45. 2012..To prospectively examine whether higher intakes of total flavonoids and their subclasses (flavanones, anthocyanins, flavan-3-ols, flavonols, flavones, and polymers) were associated with a lower risk of developing Parkinson disease (PD)...
Prospective study of statin use and risk of Parkinson diseaseXiang Gao
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA 02115, USA
Arch Neurol 69:380-4. 2012..To prospectively examine whether use of statins is associated with altered risk of Parkinson disease (PD)...
RLS in middle aged women and attention deficit/hyperactivity disorder in their offspringXiang Gao
Department of Nutrition, Harvard University School of Public Health, Boston, MA 02115, USA
Sleep Med 12:89-91. 2011..To test this hypothesis, we conducted a large-scaled cross-sectional study to examine whether women with a child with ADHD had a higher risk of having RLS than women of unaffected children...
Food insecurity and cognitive function in Puerto Rican adultsXiang Gao
Department of Nutrition, Harvard University School of Public Health, Boston, MA 02115, USA
Am J Clin Nutr 89:1197-203. 2009..Food insecurity is associated with nutrient inadequacy and a variety of unfavorable health outcomes. However, little is known about whether food security is associated with lower cognitive function in the elderly...
Obesity and restless legs syndrome in men and womenXiang Gao
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital, and Harvard Medical School, Boston, MA 02115, USA
Neurology 72:1255-61. 2009..We therefore examined whether individuals who are obese have an increased risk of RLS in two ongoing US cohorts, the Nurses' Health Study II and the Health Professional Follow-up Study...
Family history of melanoma and Parkinson disease riskX Gao
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02115, USA
Neurology 73:1286-91. 2009..If this was due to common genetic mechanisms, a positive family history of melanoma would be associated with an excessive PD risk, independent of environmental risk factors for PD...
Urinary 8-hydroxy-2-deoxyguanosine and cognitive function in Puerto Rican adultsXiang Gao
Department of Nutrition, Harvard University School of Public Health, Boston, Massachusetts 02115, USA
Am J Epidemiol 172:271-8. 2010..Prospective studies are needed to elucidate whether elevated urinary 8-OHdG concentrations can predict the rate of cognitive decline and incident dementia...
Restless legs syndrome and Parkinson's disease in menXiang Gao
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital, and Harvard Medical School, Boston, Massachusetts, USA
Mov Disord 25:2654-7. 2010..In conclusion, men with RLS are more likely to have concurrent PD. Prospective studies are warranted to clarify the temporal relationship between RLS and PD...
Use of ibuprofen and risk of Parkinson diseaseXiang Gao
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital, and Harvard Medical School, 181 Longwood Ave, Boston, MA 02115, USA
Neurology 76:863-9. 2011..Use of nonsteroidal anti-inflammatory drugs (NSAID) in general, and possibly ibuprofen in particular, has been shown to be related to lower PD risk in previous epidemiologic studies...
Cancer and Parkinson's disease: the odd coupleX Gao
Channing Laboratory XG, Department of Medicine, Brigham and Women s Hospital, and Harvard Medical School, Boston, Massachusetts 02115, USA
Drugs Today (Barc) 47:215-22. 2011..In the current review, we summarize recent findings to offer new insight into the pathogenesis of both conditions...
Restless legs syndrome and erectile dysfunctionXiang Gao
Department of Medicine, Brigham and Women s Hospital, Boston, MA, USA
Sleep 33:75-9. 2010..Dopaminergic hypofunction in the central nervous system may contribute to restless legs syndrome (RLS) and erectile dysfunction (ED). We therefore examined whether men with RLS have higher prevalences of ED...
A prospective study of bowel movement frequency and risk of Parkinson's diseaseXiang Gao
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, MA 02115, USA
Am J Epidemiol 174:546-51. 2011..In conclusion, infrequent bowel movements may antedate the onset of cardinal motor symptoms of Parkinson's disease and may contribute to the identification of populations with higher than average Parkinson's disease risk...
Caffeine and risk of Parkinson's disease in a large cohort of men and womenNatalia Palacios
Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
Mov Disord 27:1276-82. 2012..Findings from this large, prospective study of men and women are consistent with a protective effect of caffeine intake on PD incidence, with an attenuating influence of HRT in women. © 2012 Movement Disorder Society...
Alcohol and risk of Parkinson's disease in a large, prospective cohort of men and womenNatalia Palacios
Department of Nutrition, Harvard School of Public Health, 655 Huntington Avenue, Boston, MA 02115, USA
Mov Disord 27:980-7. 2012..77 (95% CI: 0.41, 1.45; P trend: 0.87). Consumption of beer, wine, or liquor was also not associated with PD risk. The results of this large, prospective study do not support an association between alcohol intake and risk of PD...
Prospective study of restless legs syndrome and risk of depression in womenYanping Li
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02115, USA
Am J Epidemiol 176:279-88. 2012..Further prospective studies using refined approaches to ascertainment of RLS and depression are warranted...
Plasma urate and Parkinson's disease in womenEilis J O'Reilly
Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, USA
Am J Epidemiol 172:666-70. 2010..Unlike in men, these findings do not support the hypothesis that urate is strongly associated with lower rates of Parkinson's disease among women...
A study of dietary patterns in the Mexican-American population and their association with obesityPatricia M Carrera
Department of Nutrition, University of Maryland, College Park, USA
J Am Diet Assoc 107:1735-42. 2007..We hypothesized that Mexican-American adults following a traditional diet would have a lower prevalence of obesity than those following a more typical American diet...
Association of depression, psycho-social stress and acculturation with respiratory disease among Puerto Rican adults in MassachusettsStanislav Henkin
School of Medicine, Boston University, Boston, MA, USA
J Immigr Minor Health 13:214-23. 2011..Longitudinal research is needed to determine if there is a causal pathway for these associations...
Obesity, diabetes, and risk of Parkinson's diseaseNatalia Palacios
Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, USA
Mov Disord 26:2253-9. 2011..The results did not differ significantly by gender. Our results do not provide evidence for a relationship between body mass index, weight change, waist circumference, or baseline diabetes and risk of Parkinson's disease...
alpha-Tocopherol intake and plasma concentration of Hispanic and non-Hispanic white elders is associated with dietary intake patternXiang Gao
The Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
J Nutr 136:2574-9. 2006..05 for all), although they had similar intakes. A large proportion of these elders (>90%) have inadequate intake of alpha-tocopherol, and plasma concentrations were associated with intake patterns...
The maximal amount of dietary alpha-tocopherol intake in U.S. adults (NHANES 2001-2002)Xiang Gao
The Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
J Nutr 136:1021-6. 2006..Careful selection of the highest vitamin E source foods within these groups could further increase the likelihood of meeting the current recommended daily allowance...
Habitual sugar intake and cognitive function among middle-aged and older Puerto Ricans without diabetesXingwang Ye
Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
Br J Nutr 106:1423-32. 2011..In conclusion, higher sugar intake appears to be associated with lower cognitive function, but longitudinal studies are needed to clarify the direction of causality...
Prenatal and early life factors and risk of Parkinson's diseaseHannah Gardener
Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, USA
Mov Disord 25:1560-7. 2010..Left-handedness was associated with a 62% increased risk of PD in women but not in men. Further investigation of the relation between prenatal, perinatal, or neonatal factors and PD in other study populations is suggested...
Diet, urate, and Parkinson's disease risk in menXiang Gao
Department of Nutrition, School of Public Health, Harvard University, Boston, MA 02115, USA
Am J Epidemiol 167:831-8. 2008..These potential benefits, however, should be weighed against expected adverse effects on risk of gout and other chronic diseases...
The 2005 USDA Food Guide Pyramid is associated with more adequate nutrient intakes within energy constraints than the 1992 PyramidXiang Gao
Harvard School of Public Health, Boston, MA, USA
J Nutr 136:1341-6. 2006..Our analysis suggests that following the 2005 FGP may be associated with lower energy and optimal nutrient intake. Careful restriction of discretionary calories appears necessary for appropriate energy intakes to be maintained...
Calcium channel blocker use and risk of Parkinson's diseaseKelly Claire Simon
Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts 02115, USA
Mov Disord 25:1818-22. 2010..18, 95% CI: 0.73-1.92), frequency of use or duration of use of CCBs and PD risk was observed (P > 0.2 for all). These findings do not support a role for CCBs in providing neuroprotection against development of PD...
Intake of added sugar and sugar-sweetened drink and serum uric acid concentration in US men and womenXiang Gao
Department of Nutrition, Harvard University School of Public Health, Boston, MA 02115, USA
Hypertension 50:306-12. 2007..2; P for interaction <0.01). Further research is needed to confirm causality of these associations and the observed difference by gender...
Meeting adequate intake for dietary calcium without dairy foods in adolescents aged 9 to 18 years (National Health and Nutrition Examination Survey 2001-2002)Xiang Gao
Department of Nutrition, Harvard University School of Public Health, Boston, MA 02111, USA
J Am Diet Assoc 106:1759-65. 2006..In addition, greater physical activity and responsible sunlight exposure should be encouraged to promote vitamin D adequacy...
Smoking and Parkinson's disease: using parental smoking as a proxy to explore causalityEilis J O'Reilly
Department of Epidemiology and Nutrition, Harvard School of Public Health, Boston, MA 02215, USA
Am J Epidemiol 169:678-82. 2009..If the inverse association between smoking and Parkinson's disease were due to confounding by an environmental factor or were the result of reverse causation, it is unlikely that parental smoking would predict Parkinson's disease...
Restless legs syndrome and hypertension in middle-aged womenSalma Batool-Anwar
Harvard Medical School, Brigham and Women s Hospital, Division of Sleep Medicine, 221 Longwood Ave, BL1044, Boston, MA 02115, USA
Hypertension 58:791-6. 2011..0001 for both). Women with restless legs syndrome have a higher prevalence of hypertension, and this prevalence increases with more frequent restless legs symptoms...
Greater consumption of sweetened beverages and added sugars is associated with obesity among US young adultsOdilia I Bermudez
Tufts University School of Medicine, Boston, MA, USA
Ann Nutr Metab 57:211-8. 2010..s...
Erectile function and risk of Parkinson's diseaseXiang Gao
Department of Nutrition, Harvard University School of Public Health, Boston, MA 02115, USA
Am J Epidemiol 166:1446-50. 2007..In conclusion, in this retrospective analysis in a large cohort of men, the authors observed that erectile dysfunction was associated with a higher risk of developing Parkinson's disease...
Genetic determinants of hair color and Parkinson's disease riskXiang Gao
Department of Nutrition, Harvard University School of Public Health, Boston, MA, USA
Ann Neurol 65:76-82. 2009....
Prospective study of dietary pattern and risk of Parkinson diseaseXiang Gao
Department of Nutrition, Harvard School of Public Health, Cambridge, MA 02115, USA
Am J Clin Nutr 86:1486-94. 2007..Several studies have shown associations between Parkinson Disease (PD) risk and individual foods and nutrients with inconsistent results...
Vitamin C intake and serum uric acid concentration in menXiang Gao
Department of Nutrition, Harvard University School of Public Health, Boston, Massachusetts 02115, USA
J Rheumatol 35:1853-8. 2008..We examined associations between vitamin C intake and serum uric acid in men in a population-based study...
Reproductive factors, exogenous estrogen use, and risk of Parkinson's diseaseKelly Claire Simon
Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, USA
Mov Disord 24:1359-65. 2009..The use of postmenopausal hormone use may interact with other risk factors, but findings are preliminary and need confirmation in other populations...
Television viewing is associated with prevalence of metabolic syndrome in Hispanic eldersXiang Gao
Jean Mayer USDA HNRCA at Tufts University, 711 Washington St, Boston, MA 02111 1524, USA
Diabetes Care 30:694-700. 2007..We examined associations between television viewing and prevalence of the metabolic syndrome among a representative sample of Caribbean-origin Hispanic elders living in Massachusetts...
Plasma C-reactive protein and homocysteine concentrations are related to frequent fruit and vegetable intake in Hispanic and non-Hispanic white eldersXiang Gao
The Jean Mayer U S Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
J Nutr 134:913-8. 2004..Because both of these metabolites are known risk factors for CVD, these findings contribute to the evidence that a higher intake of fruit and vegetables may reduce the risk of CVD...
Telomere length and risk of Parkinson's diseaseHao Wang
Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts 02115, USA
Mov Disord 23:302-5. 2008..the highest quartile 0.33; 95% confidence interval: 0.12-0.90). Our results suggest that, contrary to telomere attrition observed in several aging-related diseases, shorter telomeres are not associated with an increased risk of PD...
Prospective study of restless legs syndrome and coronary heart disease among womenYanping Li
Channing Laboratory, Department of Medicine, Brigham and Women s Hospital, Harvard Medical School, 181 Longwood Ave, Boston, MA 02115, USA
Circulation 126:1689-94. 2012..Therefore, we prospectively examined whether RLS was associated with an increased risk of CHD in women who participated in the Nurses' Health Study, taking into account the duration of RLS symptoms...
Prospective studies of dairy product and calcium intakes and prostate cancer risk: a meta-analysisXiang Gao
Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA
J Natl Cancer Inst 97:1768-77. 2005..65 to 3.25; P > .2) for the highest versus lowest intake categories of calcium. CONCLUSIONS: High intake of dairy products and calcium may be associated with an increased risk of prostate cancer, although the increase appears to be small...
A prospective study of sleep duration and pneumonia risk in womenSanjay R Patel
Division of Sleep Medicine, Brigham and Women s Hospital, 221 Longwood Avenue, Boston, MA 02115, USA
Sleep 35:97-101. 2012..Experimental data suggest sleep deprivation may impair host immunity. We sought to assess the effect of poor sleep on pneumonia risk...
No association between Parkinson disease alleles and the risk of melanomaShasha Meng
Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
Cancer Epidemiol Biomarkers Prev 21:243-5. 2012..It has been hypothesized that these two diseases may share common genetic and environmental risk factors...
Associations between rotating night shifts, sleep duration, and telomere length in womenGeyu Liang
Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America
PLoS ONE 6:e23462. 2011..Telomere length has been proposed as a marker of aging. However, our knowledge of lifestyle risk factors determining telomere length is limited...
Perceived imbalance and risk of Parkinson's diseaseXiang Gao
Department of Nutrition, Harvard University School of Public Health, Boston, Massachusetts 02115, USA
Mov Disord 23:613-6. 2008..This result suggests that the imbalance may in some cases be an early sign of PD, and may represent the onset of motor symptoms although they have not been clinically recognized...
The maximal amount of alpha-tocopherol intake from foods alone in U.S. adults (1994-1996 CSFII): an analysis by linear programmingXiang Gao
The Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, 711 Washington Street, Boston, MA 02111, USA
Ann N Y Acad Sci 1031:385-6. 2004
A case-control study of body mass index and asthma in Asian childrenStanislav Henkin
Department of Public Health and Family Medicine, Tufts University School of Medicine, Boston, Massachusetts 21111, USA
Ann Allergy Asthma Immunol 100:447-51. 2008..Numerous studies have focused on the relationship between the 2 factors. However, to our knowledge, this association in Asian Americans has not been extensively studied...
Smoking and risk of skin cancer: a prospective analysis and a meta-analysisFengju Song
Department of Epidemiology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
Int J Epidemiol 41:1694-705. 2012..The association between smoking and the risk of skin cancer has not been well established...
Dietary pattern is associated with homocysteine and B vitamin status in an urban Chinese populationXiang Gao
The Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
J Nutr 133:3636-42. 2003..Dietary patterns appear to play an important role in the micronutrient and homocysteine status of these Chinese adults...
Research Grants
- Prospective Study of Restless Leg SyndromeXiang Gao; Fiscal Year: 2009....
- Prospective Study of Restless Leg SyndromeXiang Gao; Fiscal Year: 2010....
