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Tom P. Freeman
University of Bath
130Publications
20H-index
2,100Citations
Publications 130
Newest
Published on Sep 4, 2018in Psychological Medicine 5.47
H. Valerie Curran3
Estimated H-index: 3
(UCL: University College London),
Chandni Hindocha10
Estimated H-index: 10
(UCL: University College London)
+ 3 AuthorsTom P. Freeman20
Estimated H-index: 20
(UCL: University College London)
BACKGROUND: Changes in cannabis regulation globally make it increasingly important to determine what predicts an individual's risk of experiencing adverse drug effects. Relevant studies have used diverse self-report measures of cannabis use, and few include multiple biological measures. Here we aimed to determine which biological and self-report measures of cannabis use predict cannabis dependency and acute psychotic-like symptoms. METHOD: In a naturalistic study, 410 young cannabis users were a...
4 Citations Source Cite
Published on Apr 23, 2019in Journal of Psychopharmacology 4.74
Matthew B. Wall19
Estimated H-index: 19
(UCL: University College London),
Rebecca Anne Pope3
Estimated H-index: 3
(UCL: University College London)
+ 10 AuthorsAbigail M. Freeman (UCL: University College London)
Background:Two major constituents of cannabis are Δ9-tetrahydrocannabinol (THC) and cannabidiol (CBD). THC is the main psychoactive component; CBD may buffer the user against the harmful effects of THC.Aims:We examined the effects of two strains of cannabis and placebo on the human brain’s resting-state networks using fMRI.Methods:Seventeen healthy volunteers (experienced with cannabis, but not regular users) underwent three drug treatments and scanning sessions. Treatments were cannabis contain...
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Published on Jun 1, 2019in Addiction 6.05
Tom P. Freeman20
Estimated H-index: 20
(University of Bath),
Teodora Groshkova4
Estimated H-index: 4
(European Monitoring Centre for Drugs and Drug Addiction)
+ 3 AuthorsMichael T. Lynskey85
Estimated H-index: 85
('KCL': King's College London)
European cannabis resin and herbal cannabis increased in potency and price from 2006‐2016. Cannabis resin (but not herbal cannabis) increased in the quantity of Δ9‐tetrahydrocannabinol per Euro spent. Marked increases in resin potency and value from 2011‐2016 are consistent with the emergence of new resin production techniques in European and neighbouring drug markets.
4 Citations Source Cite
Suman Chandra18
Estimated H-index: 18
,
Mohamed M. Radwan18
Estimated H-index: 18
+ 3 AuthorsMahmoud A. ElSohly42
Estimated H-index: 42
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Published on May 1, 2019in The Lancet Psychiatry 15.23
M. Di Forti34
Estimated H-index: 34
(Mental Health Foundation),
Diego Quattrone8
Estimated H-index: 8
(Mental Health Foundation)
+ 84 AuthorsCaterina La Cascia8
Estimated H-index: 8
(University of Palermo)
Summary Background Cannabis use is associated with increased risk of later psychotic disorder but whether it affects incidence of the disorder remains unclear. We aimed to identify patterns of cannabis use with the strongest effect on odds of psychotic disorder across Europe and explore whether differences in such patterns contribute to variations in the incidence rates of psychotic disorder. Methods We included patients aged 18–64 years who presented to psychiatric services in 11 sites across E...
9 Citations Source Cite
Published on Apr 23, 2019in Addiction Biology 5.58
Chandni Hindocha10
Estimated H-index: 10
(UCL: University College London),
Tom P. Freeman20
Estimated H-index: 20
+ 5 AuthorsH. Valerie Curran41
Estimated H-index: 41
(UCL: University College London)
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Published on Apr 9, 2019in Schizophrenia Bulletin 6.94
Musa Sami4
Estimated H-index: 4
('KCL': King's College London),
Diego Quattrone8
Estimated H-index: 8
('KCL': King's College London)
+ 22 AuthorsIlaria Tarricone16
Estimated H-index: 16
(UNIBO: University of Bologna)
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Published on Apr 4, 2019in BMJ 23.56
Tom P. Freeman20
Estimated H-index: 20
,
Chandni Hindocha10
Estimated H-index: 10
(UCL: University College London)
+ 1 AuthorsMichael A P Bloomfield8
Estimated H-index: 8
### What you need to know Until recently, cannabis and its derivatives were widely restricted under legislation which stated they had no medical value and carried a substantial risk of misuse. Policy is rapidly changing, and cannabis can now be prescribed for medicinal use in many countries, including the UK. This provides important new opportunities for treating patients although these need to be weighed up against potential risks. Several different medicinal products exist, with contrasting me...
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