National Drug Prevention Alliance & PPP

Research - Cannabis

Marijuana 2.0 – It is a Different Drug Now
Smoking and Binge Drinking Raises Oral-Cancer Risk
Skunk and Mental Illness
Pot Shock
Oral cannabis induces psychosis at low levels
Myocardial Infarction Associated With Use of the Synthetic Cannabinoid K2
Cannabis use and risk of lung cancer: a case–control study
Parents: Know warning signs of drug abuse
Record high: Gallup poll shows FIFTY per cent of Americans favour legalising marijuana
Impact On Lungs Of One Cannabis Joint Equal To Up To Five Cigarettes
Marijuana Use and Motor Vehicle Crashes
Impact of cannabis use on thalamic volume in people at familial high risk of schizophrenia
Estimated expenditure on cannabis in Australia is twice that of wine
Do drug policies affect cannabis markets? A natural experiment in Switzerland, 2000–10.
One in four at risk of cannabis psychosis
‘Cannabis causes chaos in the brain’
Marijuana Under the Guise of Medicine Contributes to the Rise in Marijuana Use
Marijuana Use Precedes the Onset Of Psychotic Symptoms In Youth and Young Adults
Chronic cannabis abuse raises nerve growth factor serum concentrations in drug-naive schizophrenic patients
Marijuana Linked with Testicular Cancer
Exposure leads to more aggressive behavior and attention problems in 18-month-old girls.
Environmental costs of cannabis
New Cannabis-Like Drugs Could Block Pain Without Affecting Brain, Says Study
Separating The Therapeutic Benefits Of Cannabis From Its Mood-Altering Side-Effects
Cerebrovascular perfusion in marijuana users during a month of monitored abstinence
Cannabis use before age 15 and subsequent
Cannabis Use and Earlier Onset of Psychosis – A Systematic Meta-analysis
Cannabis affects driving skills
Cannabis affects driving skills
Cannabis Use and Psychosis
Cannabis use ‘doubles risk of psychosis for teenagers’
People who use marijuana for a long time can develop abnormalities in their brains
Cannabis use and risk of psychotic or affective mental health outcomes: a systematic review
Cannabis Use and Earlier Onset of Psychosis: A Systematic Meta-analysis
Cannabis use and educational achievement: Findings from three Australasian cohort studies
States with “Medical Marijuana” (MMJ) Have Higher Prevalence of Driver Fatalities Involving Drugs: 71%
Amsterdam bans smoking of marijuana in some public places
One in four at risk of cannabis psychosis
Roadside Drug-testing in Victoria, Australia.
Medicinal Marijuana?
Usage of cannabis in UK
Why teenagers should steer clear of cannabis
Will smoking dope make me thick?
Neurophysiological link between cannabis use and schizophrenia found
Marijuana Ingredient May Stall Decline From Alzheimer’s
Marijuana may block Alzheimer’s
Cannabis lifts Alzheimer appetite
CESAR Study Finds 9 Warning Signs of Early Marijuana Use Among Maryland’s Public School Students
The Real Facts on Marijuana and Driving
Would Legalizing Marijuana in California Help?
Adverse effects of cannabis on health: an update of the literature since 1996.
Marijuana and Depression
Cannabis and Cancer
U.K. Study Finds Teens Know About Marijuana Harms
Studies Demonstrate Analgesic Properties Of Synthetic Cannabinoid
The Involvement of Marijuana In California Fatal Motor Vehicle Crashes 1998 -2008
Scottish Social Attitudes Survey 2009: Public Attitudes To Drugs And Drug Use in Scotland
The Spread of Sleep Loss Influences Drug Use in Adolescent Social Networks
The Involvement of Marijuana in California Fatal Motor Vehicle Crashes 1998 -2008
Adverse effects of cannabis on health: an update of the literature since 1996
Cannabinoid Hyperemesis: High on the Differential for Intractable Vomiting
Parents: Know warning signs of drug abuse
The Spread of Sleep Loss Influences Drug Use in Adolescent Social Networks
Cannabis health woes for older users
Monitoring the Future survey shows that while marijuana continues to be the most commonly
People On Drugs Are Far More Likely To Commit Crime, Especially Violent Crime”
Smoking Marijuana During Pregnancy Alters Newborn Behavior
Study: Marijuana Causes Lung Damage
Smoking Marijuana More Harmful than Tobacco
Marijuana Use Tied to Cancer Rates Among Maoris
Anterior cingulate grey-matter deficits and cannabis use in first-episode schizophrenia
Neurobiological effects of early life cannabis exposure in relation to the gateway hypothesis
DRUG ADDICTION:Marijuana: Harder Than Thought?
Cannabis linked to lung cancer risk
U.S. marijuana grows stronger than before: report
Neurobiological effects of early life cannabis exposure in relation to the gateway hypothesis
Prenatal cannabis exposure increases heroin seeking with allostatic changes in limbic enkephalin systems in adulthood.
Cannabis ‘disrupts brain centre’
Plant extract may block cannabis addiction
Drug Blocks THC Effects, Study Says
Smoking Marijuana Causes Infertility
Cannabis abuse and risk for psychosis in a prodromal sample
The Impact of Cannabis Smoking on Respiratory Health
Psychosis More Common Among Teen Marijuana Users: Study
More Evidence of Marijuana-Psychosis Link
Teens smoking marijuana at increased schizophrenia risk
Parental monitoring can reduce teens’ marijuana use
Heavy Marijuana Use Damages Young Minds
Cannabis use and risk of psychotic or affective mental health outcomes: a systematic review
Common Gene Variant May Offer Protection Against Marijuana Dependence
Emphysema and secondary pneumothorax in young adults smoking cannabis.
Cannabis and Related Disorders
Daily Marijuana Use Could Cause Permanent Brain Damage, Researcher Says
Marijuana Damages DNA And May Cause Cancer, New Test Reveals
Marijuana Smoke Contains Higher Levels Of Certain Toxins Than Tobacco Smoke
Growing Evidence Of Marijuana Smoke’s Potential Dangers
Smoking Marijuana Impairs Cognitive Function In MS Patients
Daily Pot Smoking May Hasten Onset of Psychosis
Marijuana Use Associated with a Subtype of Testicular Cancer
Imaging Study Shows Awareness Deficit in Marijuana Abusers
NIDA director, Nora Volkow, discusses cannabis addiction
Daily Consumption Of Cannabis Predisposes To Appearance Of Psychosis And Schizophrenia, Study Finds
Cannabis Damages Young Brains More Than Originally Thought, Study Finds
Researchers Identify Clues About Marijuana Effects
Use Of Cannabinoids Could Help Post-traumatic Stress Disorder Patients
Will smoking dope make me thick?
Risk Of Hepatitis C-Related Liver Damage Increased By Regular Marijuana Use
Marijuana Smokers Face Rapid Lung Destruction – As Much As 20 Years Ahead Of Tobacco Smokers
Marijuana withdrawal as bad as withdrawal from cigarettes
Cannabis bigger cancer risk than cigarettes: study
Cannabis and Dental Problems
New Zealand: Smoking Cannabis Is Bad For Your Gums, Says Study
Children who smoke cannabis are twice as likely to offend
Cannabinoid combination affects cannabis-linked psychological symptoms
Marijuana and Heart Attacks
Regional Brain Abnormalities Associated With Long-term Heavy Cannabis Use
Marijuana use = greater risk of Mental Health – CNN
Dinner with family helps prevent drug use
Is Cannabis a Gateway Drug?
Marijuana is a Gateway Drug.
Marijuana Smoke Contains Higher Levels Of Certain Toxins Than Tobacco Smoke
Cannabis Almost Doubles Risk Of Fatal Crashes
Long-term Cannabis Users May Have Structural Brain Abnormalities
Growing Evidence Of Marijuana Smoke’s Potential Dangers
New DNA ‘Fingerprinting’ Technique Separates Hemp From Marijuana
Teens ‘aware of cannabis harm’
Marijuana craving in the brain
Cannabis Use and Mental Health Problems
One in four at risk of cannabis psychosis
Pot smokers risk schizophrenia: research
Cannabis may shrink brain, scientists report
Cannabis increases risk of psychosis in teens
Marijuana use = greater risk of Mental Health – CNN
A Polymorphism in CALHM1 Influences Ca2+ Homeostasis, Aβ Levels, and Alzheimer’s Disease Risk
Schizophrenia Linked To Dysfunction In Molecular Brain Pathway Activated By Marijuana
Potential Medication Can Reduce Effects Of Smoked Marijuana In Humans
Cannabis linked to earlier psychosis onset
Ammonia release from heated ‘street’ cannabis leaf and its potential toxic effects on cannabis users
Marijuana’s High Times Not Memorable with Neurons Out of Sync
Maternal use of recreational drugs and neuroblastoma in offspring: a report from the Children’s Oncology Group (United States).
New research reveals how cannabis alters brain function
Dope-smoking among teens down in many countries
Heavy Marijuana Use May Damage Developing Brain In Teens, Young Adults
Early onset cannabis use related to brain damage
Cannabis doubles testicular cancer risk, says US study
Multiple Sclerosis and Cannabis
Marijuana implicated in Testicular Cancer
Teens who frequently go out with friends more likely to use marijuana
The occurrence of cannabis use disorders and other cannabis-related problems among young adults attending college
Heavy Marijuana Use May Damage Developing Brain In Teens, Young Adults
Coping skills training and contingency management treatments for marijuana dependence: exploring mechanisms of behavior change.
Cannabinoid hyperemesis syndrome: Clinical diagnosis of an underrecognised manifestation of chronic cannabis abuse
Report finds that drug abuse harms degrees
Association of marijuana use and the incidence of testicular germ cell tumors
Daily Consumption Of Cannabis Predisposes To Appearance Of Psychosis And Schizophrenia, Study Finds
Long-term, heavy cannabis use may be associated with structural abnormalities in areas of the brain known as the hippocampus and amygdala, according to a new article.
Regular Cannabis May Increase Risk Of Stroke In Young Users
Cannabis Almost Doubles Risk Of Fatal Crashes
Sperm From Marijuana Smokers Move Too Fast Too Early, Impairing Fertility
Warning on Danger of Smoking Marijuana While Pregnant
Cannabis Increases Risk Of Psychosis
Cannabis Could Increase Risks Of Psychotic Illness By 40 Percent
Severe Vomiting Sickness With Chronic Cannabis Abuse
Marijuana Use Affects Blood Flow In Brain Even After Abstinence
Marijuana Worsens COPD Symptoms In Current Cigarette Smokers
Marijuana Smokers Face Rapid Lung Destruction
Marijuana Associated with Testicular Cancer
Maternal use of Cannabis
Marijuana May Disrupt Brain Development
Children treated for cannabis misuse at rate of 150 a week
Evaluation of the DNA Damaging Potential of Cannabis
Association of marijuana use and the incidence of testicular germ cell tumors
Chronic toxicology of cannabis
Early Predictors of Heavy Cocaine Use
Cannabis ‘can cause psychosis in healthy people’
Cannabis not harmless as supposed
Twins Study Links Early Marijuana Use to Increased Risk of Abuse or Dependence
High-Potency Marijuana Sending Teens to ER, Rehab
Parent Resources to Prevent Summertime Teen Marijuana Use
Many Teens Who Smoke Marijuana Become Dependent
Marijuana Use Among Canadian Teens Reaches Record High
More Youth in Treatment Due to Marijuana Use
Pot changes brain more than a month after use, Yale imaging study finds
Pot growers often drug traffickers, police report says
Pot Use Tied to Stroke in Three Teenagers
Marijuana use and Trends
Summer Time Is the High Time for New Teen Marijuana Use
Cannabis dependence: a snapshot
One in five drivers smoked cannabis before they crashed
MJ & Violence
First use to dependence, Study looks at Marijuana, Alcohol and Cocaine
Young Pot Smokers More Likely To Try Hallucinogens
Nefazodone treatment for withdrawal from Cannabis
Addictiveness of Cannabis
Cannabis use and mental health in young people: cohort study
New Harvard/NIDA study examines effect of marijuana use in mid- teens or younger
symptoms of marijuana withdrawal
Marijuana Firmly Linked to Infertility
Cannabis and sperm
Cannabis use dulls the brain
Apoptosis
Cannabis danger to men
Cannabis mental illness link warning
Mental fuzziness linked to marijuana
Trial shows no clear benefit from cannabis for patients with MS
Marijuana MS Study Results Mixed
Passive inhalation of cannabis smoke.
Marijuana Damages Reproductive Function
Early Marijuana Use Linked to Adult Dependence
Not High On Math
CANNABIS. Scots professor says drug triggers schizophrenia…
Marijuana and Cardiovascular death in young adults
THC Cannabinoid exacerbates encephalitic brain infection
‘Reefer Madness’ plaguing hospital psychiatric units
Can marijuana use affect the immune system?
Does marijuana kill brain cells?
Mental Health of Teen Pot Smokers Alarming
Triggering Myocardial Infarction by Marijuana
Cognitive Functioning of Long-term Heavy Cannabis Users Seeking Treatment
Effects of Marijuana Use On IQ
Marijuana Use Increases Symptoms of Attention Deficit Disorder in First Grade Children
Combining Alcohol & Marijuana Increases Miscarriage
Marijuana Exposure During Pregnancy Links to Learning Disabilities, ADD and Behaviour Disorders
Alarm at rising cannabis ‘addiction’
British Medical Association Launches Last Minute Attack On Marijuana Reclassification
Cannabis use linked to early-onset schizophrenia
Marijuana and Schizophrenia
Marijuana Linked to Schizophrenia, Depression
Cannabis use more harmful to schizoids
Colombian President Calls Legalization a Failure
GW Pharmaceuticals Expects UK Government’s Approval For Cannabis Drug
Health Canada Study Worries Quebec Officials Over Increasing Teen Marijuana Use
Marijuana use increases among adults
Marijuana Implicated in Deaths
Teenagers in Germany Smoking Cannabis in Alarming Numbers
Switzerland: Parents Protest Swiss Cannabis
Cannabis smokers risk nicotine addiction
Many Epilepsy And Multiple Sclerosis Patients Self-Medicate With Marijuana
Marijuana use is pushing teens into treatment
Addictiveness of Cannabis
Clear public health message on cannabis needed
Pot smokers aggressive when quitting
Nefazodone treatment for withdrawal from Cannabis
British study links cannabis to psychosis
Cannabis use can lead to vomiting
Australian study on cannabis dependence
Sex and Drug Use Linked to Suicide Risk Odds higher for teens who engage in risky behavior
The Dutch are to Review Liberal Cannabis Laws
Mexico Cultivates 78% More Poppy and 70% More Marijuana in 2003
I Can’t Believe the Government Pushes This Garbage on Sick People
Heavy Australian cannabis use poses mental health risk
GW Pharmaceuticals Expects UK Government’s Approval For Cannabis Drug.
Health Canada Study Worries Quebec Officials Over Increasing Teen Marijuana Use
Pot Impacts Heart
Cannabis link to mental illness among the young
Proof that smoking cannabis can make you psychotic by Dr Thomas Stuttaford
Marijuana benefits doubted
Using Marijuana Before Age 21 more likely to lead to addiction
Bayer to Market Marijuana-Based Drug
Cannabis extract shrinks brain tumours
More Canadians Using Marijuana, Hashish
Study relates marijuana and tobacco use
2003 Survey: Marijuana Use Drops Among Youth, Risk Perceptions Climb
Cannabis Effects
Adult Marijuana Abuse and Dependence Increased During 1990s
UK study explores “gateway effect” of marijuana
Epidemiological Study documents gateway effect of alcohol, tobacco and marijuana
How our brains fend off madness
American Academy of Paediatrics Policy Statement
Cannabis linked to bone disease
Only 1.8% of Californian doctors prescribe medical marijuana
Alaska Rejects Marijuana Legalization Measure
Cannabis less effective against vomiting than serotonin antagonists
UVA Study Finds `Cool Kids’ Get In More Trouble
Alcohol, cannabis top quitters list
Cannabis link to Maori cancer
Animal Studies Show Progression of Drug Use
Antiemetic efficacy of smoked marijuana
Assessment of Driving Capability Through the Use of Clinical and Psychomotor Tests in Relation to Blood Cannabinoids Levels Following Oral Administration of 20 mg Dronabinol or of a Cannabis Decoction
Bill bans candies that taste like pot
Brain Development
Cannabis and suicidal behaviour among adolescents: a pilot study from Trinidad
Cannabis use and misuse prevalence among people with psychosis
Chronic cannabis abuse raises nerve growth factor serum concentrations in drug-naive schizophrenic patients
Dipping Marijuana Cigarettes In Embalming Fluid
Dutch Plan To Curb Drug Tourism
Estimated expenditure on cannabis in Australia is twice that of wine
Feds Sound New Warning About Marijuana Use
Long-term use of cannabis ‘leads to harder drugs’
Marijuana and Dentistry
Marijuana’s Effects Linger in the Brain
Marijuana use and car crash injury
Marijuana Use from Adolescence to Young Adulthood: Multiple Developmental Trajectories and Their Associated Outcomes
Mental Health Risks for Cannabis Teens – North East youngsters are turning psychotic through smoking cannabis
Oral cannabis induces psychosis at low levels
Pot-Based Drug Promising for Arthritis
Pot on the Teen Brain
Pot Shock
Research Finds Link Between Alcoholism, Depression
Respiratory Effects of Marijuana and Tobacco Use in a U.S. Sample
Scientists discover the body’s marijuana-like compounds are crucial for stress-induced pain relief
Strong increase in total delta-THC in cannabis preparations sold in Dutch coffee shops
Teenager Took Cannabis Before Rail Line Death
Teenagers and marijuana – Scientists uncover risk factors for marijuana use
Medicinal Marijuana?
Cesar Study Finds 9 Warning Signs of Early Marijuana Use
Who becomes cannabis dependent soon after onset of use?
Aggressive teens more likely to try tobacco, pot
Cannabis, alcohol ‘equally dangerous’
Cannabis ‘can lead to harder drugs’
Cannabis therapy ‘may be harmful’
Psychophysiological Evidence of Altered Neural Synchronization in Cannabis Use: Relationship to Schizotypy
Long Term Marijuana Use May Fog the Brain
Marijuana and Cot death
Marijuana May Sabotage Pregnancy
Memory, Speed of Thinking Get Worse over Time with Marijuana Use
Vulnerability to hard drugs
New Class Of Chemicals Found To Use Marijuana-Like System In Brain
People who first try marijuana at a young age are more likely to develop mental illnesses
Transient Ischemic Attack in Heavy Cannabis Smokers – How ‘Safe’ Is It?
Marijuana Emergencies
Harm Reduction in the Netherlands
Dutch Students Cannabis Use
Parliamentary Inquiry into alcohol and drugs: Survey of psychoactive substance use and gambling among members of the Dutch Parliament
Effects of cannabis on schizophrenia
Studies link marijuana use, drug addiction
Evidence Accumulates That Long-Term Marijuana Users Experience Withdrawal
Study Finds Marijuana Ingredient Promotes Tumour Growth, Impairs Anti-Tumour Defences
Report Confirms Risk of Early Marijuana Use
More Evidence on Marijuana Gateway Effect
Cannabis Psychosis
Marijuana’s Impact on Complex Cognitive Performance
Record Number of Young People Seek Treatment After Alarming Jump in Cannabis Use
Research on the effects of cannabis on cognitive performance
Non-Medical Marijuana – Rite Of Passage Or Russian Roulette?
Marijuana Could Cause Lung Disease
Marijuana and Schizophrenia
Cannabis and psychiatric reactions
Marijuana And Multiple Sclerosis – New Study
Marijuana Potency Varies from 3% to 68.6%
Cannabis and psychiatric reactions
Early Marijuana Use Called Pathway to Addiction
Rat Study Conducted by University of Georgia Researchers Suggests That Cannabis Interferes With Sustained Attention
Smoking and drug abuse traits linked to genes
Students who smoke marijuana likely to see lower math scores
Cannabis link to psychosis
Amsterdam’s Alcohol-Selling Coffee Shops To Lose Cannabis Privileges.
The relationship between marijuana initiation and dropping out of high school
Body Shop’s hemp line
46% of English arrestees tested positive for pot
American Lung Association – Healthy Lungs
Study finds smoking marijuana can cause cancer
Weed is hard drug
UK Experiencing High Level Of Child Drug Use
Study links teen use of tobacco and pot
Teen anti drugs make impact
Hemp food products
Genetic anomalies tied with marijuana—activated brain chemicals appear linked to schizophrenia, Japanese researchers report.
Marijuana Misuse Increases Depression Risk
Cannabis Poisoning
Research
THC Level Skyrockets
Smoking cannabis causes lung damage
Evidence Accumulates That Long-Term Marijuana Users Experience Withdrawal
Cannabinoid has no impact on spasticity associated with MS
Study shows MS patients further impaired by smoking Low-THC marijuana
What Americans need to know about Marijuana
THC-caused apoptosis linked to central nervous system abnormalities in infants
Smoking Marijuana More Harmful than Tobacco
UK Drug Deaths Soar
Cannabis doubles the risk of schizophrenia and other psyciatric conditions
British Medical Association Annual Conference rejects legalised cannabis motion
Yale Study Terms Addiction a Developmental Disorder
Marijuana will not stop Multiple Sclerosis Pain
Cannabis ‘rapidly damages lungs’
Marijuana Can Trigger Rapid Drop in Blood Pressure
Prevalence and correlates of cannabis use and dependence in young New Zealanders
Cannabis more toxic than cigarettes: study
Effects of Marijuana: Driving-Related Skills
Marijuana and workplace performance
Animals exposed to Marijuana’s active component will self-administer the drug
Young Marijuana Smokers at Highest Addiction Risk
Drugs Spark Gang Violence in Vancouver
Drugs: A Hard or Soft Approach?
The Government Might Be Right About Marijuana
Drug Use in the USA
Current Drug testing in Britain
Blunt ‘Cigar Papers’ Come In Flavours
Adolescent Treatment Admissions Increase in 2002
Many epilepsy and multiple sclerosis patients self-medicate with marijuana
A New Drug Threat: Salvia – by Mike Bush
2003 Report by Florida Medical Examiners Commission on Drugs Identified in Deceased Persons
Marijuana Compounds May Act Without Causing a High
Almost a quarter of West Australians have used drugs
Cannabis pain relief without the high
Cannabis more toxic than cigarettes: study
Cannabis lifts emphysema risk
Ecstasy and Pot : Double the memory damage
Twin study shows cannabis makes moving to hard drugs more likely
Mental health hit hard by soft drugs
Illegal Drug Use In the UK and Ireland Among the Highest In the World
Child drug use ‘aggression link’
Cannabis ‘linked to aggression’
Cannabis and Driving
Marijuana and Medicine: A Summary
Psychosis due to “skunk”
Letters to the Editor:-
Cerebral Atrophy In Young Cannabis Smokers
Chronic Marijuana Smoking And Short-Term Memory Impairment
Gateway Theory
Psychosocial and Pharmacological Explanations of Nicotine’s “Gateway Drug” Function
Test of socioeconomic status as a predictor of initial marijuana use
Violent Deaths Amongst Cannibis Users
Early Marijuana Use Linked to Adult Dependence
Not High on Math?
Clubbers Mental Health Risk
Forgetting the future
Repeated Drug Use Dulls The Memory
News from abroad and the armed forces
Legal Attitudes,Permissive Norm Quantities, and Substance Use :
Cannabis: Social effects
Cannabis dependence, withdrawal, and reinforcing effects
Cannibis Effects On the Brain & Behaviour
Marijuana and Medicine: A Summary
Specific patterns of thoughts of chronic cannabis users
Cannabis may shrink brain, scientists report
Repeated Drug Use Dulls The Memory
Abuse of cannabis puts 500 a week in hospital