Results 21 to 30 of about 1,357,828 (39)

Sexually transmitted infection as a risk factor for homosexual HIV transmission: a systematic review of epidemiological studies

open access: yes, 2000
Existing reviews suggest some sexually transmitted infections (STIs) are risk factors in heterosexual HIV transmission. This may not be so in homosexual HIV transmission, about which reviews make no specific conclusions.
Bonell, C, Hickson, F, Weatherburn, P
core   +1 more source

A descriptive analysis of the drinking behaviour of the 1958 cohort at age 33 and the 1970 cohort at age 34 [PDF]

open access: yes, 2007
This paper provides a comparison of the drinking patterns of members of the 1958 British Birth Cohort at age 33 in 1991 and members of the 1970 British Birth Cohort at age 34 in 2004.
Dodgeon, Brian   +2 more
core   +1 more source

Risk of selection bias due to non-participation in a cohort study on pubertal timing. [PDF]

open access: yes, 2020
BackgroundNon-participation in aetiologic studies of pubertal timing is frequent. However, little effort has been given to explore the risk and potential impact of selection bias in studies of pubertal timing.ObjectiveWe aimed to explore the risk of ...
Arah, Onyebuchi A   +7 more
core  

Improving the health of people with multimorbidity: the need for prospective cohort studies [PDF]

open access: yes, 2011
The dramatic rise in long-term conditions (LTCs) represents a major challenge for individuals, families, and health care systems worldwide. Due to the scale of this rise, the management of patients with LTCs largely falls within the domain of primary ...
Gunn, J., Mercer, S.W., Wyke, S.
core   +4 more sources

The relation between adult height and haemorrhagic and ischaemic stroke in the Renfrew/Paisley study [PDF]

open access: yes, 2001
Adult height is a useful marker of fetal growth, growth and nutrition in childhood and childhood infections. Studies reporting inverse associations between height and stroke therefore provide support for the hypothesis that exposures acting in early life
Davey Smith, G.   +3 more
core   +2 more sources

Treatment for congenital toxoplasmosis: finding out what works [PDF]

open access: yes, 2009
Evidence for the effectiveness of prenatal or postnatal treatment for congenital toxoplasmosis will be critical to guide policy about prenatal and neonatal screening over the next 10 years, let alone the next 100.
Gilbert, R
core   +3 more sources

Impact of Caesarean section on subsequent fertility: a systematic review and meta-analysis.

open access: yes, 2013
STUDY QUESTION: Is there an association between a Caesarean section and subsequent fertility? SUMMARY ANSWER: Most studies report that fertility is reduced after Caesarean section compared with vaginal delivery. However, studies with a more robust design
Bou-Antoun, S   +6 more
core   +1 more source

Education, First Occupation and Later Occupational Attainment: Cross-cohort Changes among Men and Women in Britain [PDF]

open access: yes, 2009
This paper examines cohort and gender differences in occupational attainment in Britain. Using data from the three British Birth Cohort studies, I investigate the process of occupational attainment up to age 34 using a scale based on occupational ...
Bukodi, Erzsebet
core   +1 more source

Mycotoxin exposure and human cancer risk : a systematic review of epidemiological studies

open access: yes, 2020
In recent years, there has been an increasing interest in investigating the carcinogenicity of mycotoxins in humans. This systematic review aims to provide an overview of data linking exposure to different mycotoxins with human cancer risk. Publications (
Castegnaro M.   +16 more
core   +2 more sources

Whole genome metagenomic analysis of the gut microbiome of differently fed infants identifies differences in microbial composition and functional genes, including an absent CRISPR/Cas9 gene in the formula-fed cohort [PDF]

open access: yes, 2019
Background: Advancements in sequencing capabilities have enhanced the study of the human microbiome. There are limited studies focused on the gastro-intestinal (gut) microbiome of infants, particularly the impact of diet between breast-fed (BF) versus ...
Cox, Courtney   +3 more
core   +2 more sources

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