Physical Symptoms of Cannabis Use

FDA-approved EPIDIOLEX® (generic cannabidiol or CBD) is known to cause: Liver damage (hepatic injury) Somnolence and sedation Suicidal behavior and ideation Signs and symptoms of liver problems include: loss of appetite, nausea, vomiting fever, feeling unwell, unusual tiredness yellowing of the skin or the whites of the eyes (jaundice) itching unusual darkening of the urine right upper stomach area pain or discomfort Patients are advised "not to drive or operate machinery unt

Cannabis hyperemesis syndrome (CHS) “is a dangerous and sometimes deadly syndrome that, according to the National Institutes of Health, affects chronic cannabis users, causing severe nausea, repeated vomiting, abdominal pain, dehydration, weight loss and, in rare cases, heart rhythm problems, seizures, kidney failure and death.” The World Health Organization (WHO) added CHS to its diagnostic manual on October 1, 2025. The update was also adopted by the Centers for Disease Con

JAMA conducted a review of over 2500 scientific papers on medical cannabis that included other reviews, clinic trials, and guidelines on medical marijuana. They concluded that "evidence from randomized clinical trials does not support the use of cannabis or cannabinoids for most conditions for which it is promoted, such as acute pain and insomnia.” High potency use is associated with increased risk: psychotic symptoms generalized anxiety disorder Daily use is associated with

This study shows a significant decrease in the rate at which normal embryos are produced in the THC positive group as compared to the...

"North America has evidence that implicates cannabis as a potential etiologic factor contributing to the increasing incidence of breast...

"Pradère led a multicenter prospective study, supported by the French National Cancer Institute, which included 150 patients younger than...

"In this randomized double-blind clinical trial of healthy adults administered CBD, 5 mg/kg/d for 28 days, 8 (5.6%) experienced liver...

One of the largest and most detailed to date analyses showed that cannabis use was associated with a significant twofold increased risk...

“Smoking, vaping or eating marijuana is linked to a significantly higher risk of heart attack and stroke, even if a person had no...

Even after controlling for smoking, elderly cannabis users (28,535 individuals over 65 years were studied) having CVD risk had 20% more...

A research study (sponsored by the National Institutes of Health) of 156,999 individuals over a time period of 45 months suggests that...

Increased legalization of cannabis has led to an increase in awareness of cannabinoid hyperemesis syndrome (CHS) in which a person...

Two large-scale studies, including a meta-analysis of over 75 million people, reveal that cannabis users under 50 could face a six times higher risk of heart attack compared to non-users. The troubling link between marijuana use and younger adults could possibly be due to the unrecognized effects on heart rhythm and blood vessel function. Author: American College of Cardiology Read full article on SciTechDaily.com Download PDF

Researchers looked into "the causal association of genetic liability to cannabis use disorder and risk of CAD (cornary artery disease)."...

In this study of infrequent cannabis users, researchers evaluated effects of high dose Δ9-THC when ingested alone versus with CBD. They...

In this retrospective study, examination of chest CTs revealed that airway inflammation and emphysema were found more often in marijuana...

Referring to a recent study, published in the Journal of the American Dental Association (JADA), the author summarizes that study...

Key Finding: Exposure to chemicals damaging to the heart and lungs may be even greater from smoking marijuana than from tobacco,...

Key Findings: "CBD is not risk-free although its use is expanding around the world for diseases that lack scientific evidence of the...

A study conducted in Colorado analyzed about 260 people involved in minor vehicle accidents. It found: "After an injury, cannabis users...

This extensive article discusses, among other things, a number of dangerous and negative effects of CBD and marijuana on health,...

Effects of CBD use include: tremors, depression, cognitive impairment, brain fog, irritability, motor impairment, insomnia, appetite reduction, diarrhea, dizziness, dry mouth, heart rate change, lightheadedness, low blood pressure, tiredness or drowsiness, weight loss. Several commenters note the experience of negative side from CBD use. Read Full Article on Mental Health Daily Download PDF

33% of those surveyed in an urban public hospital met the criteria for having experienced Cannabinoid Hyperemesis Syndrome (CHS). 155...

Article: Vaping and Oral Health: It's Worse Than You Think Highlights: The first danger of e-cigarettes (vaping) is the carrier component...

A number of studies have suggested a direct relationship between cannabis use and periodontal disease. The following dental findings may...

Gingivitis, periodontitis, gum deterioration, and more are found in patients who smoke marijuana. Highlights from the article Marijuana...

This article discusses Cannabinoid Hyperemesis Syndrome (CHS), characterized by chronic marijuana use, frequent nausea and vomiting and...

Cannabicyclohexanol ("K2 spice") is a synthetic cannabinoid readily available as herbal incense. It cannot be detected in urine drug...

A mother describes her son's experience and ultimate death from Cannabinoid Hyperemesis Syndrome (CHS). Author: Regina Denny Read Full...

Article highlights: Researchers conclude that THC causes neuronal death in hippocampal neurons. “THC is neurotoxic at concentrations as...

Summary: Previous studies have shown that women are more prone to cannabis abuse and dependence than men. In women, cannabis withdrawal...

The American Lung Association cautions the public against smoking marijuana because of the risks it poses to the lungs. Marijuana can...

According to the National Institute on Drug Abuse the coronavirus could be an especially serious threat to those who smoke tobacco or...

As summarized directly in the study: "Immunologists studying the effects of cannabis have discovered how smoking marijuana can trigger a...

A SAM (Smart Approaches to Marijuana) discusses why those who smoke and vape marijuana are more vulnerable to COVID-19. In addition to...

By UW Health emergency medicine physician Marin Darsie, MD. Read UW Health Article

A Statesman Journal article discusses the increase in cases of nausea and vomiting related to pot use. As an extremely pro-marijuana...