Psychological and social sequelae of cannabis and other illicit drug use by young people: a systematic review of longitudinal, general population studies

J Macleod, R Oakes, A Copello, I Crome, M Egger… - The Lancet, 2004 - thelancet.com
Background Use of illicit drugs, particularly cannabis, by young people is widespread and is
associated with several types of psychological and social harm. These relations might not be …

Psychosocial factors and public health: a suitable case for treatment?

J Macleod, GD Smith - Journal of Epidemiology & Community Health, 2003 - jech.bmj.com
Adverse psychosocial exposure or “misery” is associated with physical disease. This
association may not be causal. Rather it may reflect issues of reverse causation, reporting …

Male fertility potential in terms of semen quality: a review of the past, a study of the present

J Macleod, Y Wang - Fertility and Sterility, 1979 - pubmed.ncbi.nlm.nih.gov
PIP: Comparison of data from 1951 and from 1966-77 indicates that there has been no
substantial change in the numerical aspect of semen quality over this period. Other …

Cohort profile: the 'children of the 90s'—the index offspring of the Avon Longitudinal Study of Parents and Children

A Boyd, J Golding, J Macleod, DA Lawlor… - International journal …, 2013 - academic.oup.com
Abstract The Avon Longitudinal Study of Parents and Children (ALSPAC) is a
transgenerational prospective observational study investigating influences on health and …

Cohort profile: the Avon Longitudinal Study of Parents and Children: ALSPAC mothers cohort

A Fraser, C Macdonald-Wallis, K Tilling… - International journal …, 2013 - academic.oup.com
Abstract Summary The Avon Longitudinal Study of Children and Parents (ALSPAC) was
established to understand how genetic and environmental characteristics influence health …

Implementation of remote consulting in UK primary care following the COVID-19 pandemic: a mixed-methods longitudinal study

M Murphy, LJ Scott, C Salisbury, A Turner… - British Journal of …, 2021 - bjgp.org
Background To reduce contagion of COVID-19, in March 2020 UK general practices
implemented predominantly remote consulting via telephone, video, or online consultation …

Risk of death during and after opiate substitution treatment in primary care: prospective observational study in UK General Practice Research Database

R Cornish, J Macleod, J Strang, P Vickerman… - Bmj, 2010 - bmj.com
Objective To investigate the effect of opiate substitution treatment at the beginning and end
of treatment and according to duration of treatment. Design Prospective cohort study. Setting …

Seminal cytology in the presence of varicocele

J Macleod - Fertility and sterility, 1965 - Elsevier
The general semen quality of the 200 subjects in whom poor semen quality was found in the
presence of varicocele is shown in Table 1. The mean sperm count per milliliter was less …

The role of oxygen in the metabolism and motility of human spermatozoa

J MacLeod - American Journal of Physiology-Legacy …, 1943 - journals.physiology.org
METHODS. The spermatozoa suspensions were prepared by methods described previously
(7, 8). For the measurement of oxygen consumption, the cells were suspended in glucose …

[HTML][HTML] The Avon Longitudinal Study of Parents and Children (ALSPAC): an update on the enrolled sample of index children in 2019

K Northstone, M Lewcock, A Groom, A Boyd… - Wellcome open …, 2019 - ncbi.nlm.nih.gov
Abstract The Avon Longitudinal Study of Parents and Children (ALSPAC) is a prospective
population-based study. Initial recruitment of pregnant women took place in 1990-1992 and …