Background Twinning has been associated with many types of birth defects, although previous studies have had inconsistent findings. Many studies lack information about potential confounders, ...

Background: The proportion of non-attenders in cervical cancer screening is high, and should be minimised. A targeted invitation to women not participating for the last 5 years in cervical screening ...

Background Factors that increase the risk of labour market exclusion are poorly understood. In this study, we examined the extent to which all-cause and diagnosis-specific sick leave predict ...

One hundred non-smoking patients attending hospital outpatient clinics reported their degree of passive exposure to tobacco smoke over the preceding three days and provided samples of blood, expired ...

Background and aims Many economic factors are associated with diet, yet the evidence is generally cross-sectional. Older people are considered especially vulnerable to poor diets from negative changes ...

Background The prevalence of congenital heart defects (CHD) in Down syndrome (DS) varies considerably across studies (from 16% to 84%). This study aimed to estimate the prevalence of CHD in people ...

Background While social support is associated with better cognitive health among cancer-free individuals, this relationship is understudied among cancer survivors. We investigated whether overall ...

STUDY OBJECTIVE--To investigate the numbers and characteristics of patients with ophthalmological accidents and emergencies presenting to hospitals. DESIGN--Prospective survey over eight weeks.

Correspondence to Dr Shanti Narayanasamy, Division of Infectious Diseases, Department of Medicine, Duke University, Durham, NC 27708, USA; shanti.narayanasamy{at}duke.edu Diagnostics for COVID-19 have ...

Background Disparities in health among blacks and Hispanics compared to whites individuals exist for a number of health measures; however, the health profile of individuals who are both black and ...

1 Centre for Public Health, Faculty of Health and Applied Social Science, Liverpool John Moores University, Liverpool, UK 2 Behavioural Epidemiology, Centre for Public Health, Liverpool John Moores ...