Across 99 studies examining the effects of high-concentration THC products on mental health outcomes, 70% of the ...

Cannabis products today tend to be much stronger than the plant itself, raising concerns among researchers and policymakers about their health effects. View on euronews ...

Brain specialist Dr. Daniel Amen warns that marijuana use in teens and young adults is linked to higher rates of mental issues as research on cannabis' health impact develops.

However, the report doesn’t say there is a cause and effect — it is an association. The study also found that teens who used marijuana may have been self-medicating for anxiety and depression.

‘It Took Over Everything’: Stories of Marijuana’s Little-Known Risks A growing number of marijuana users in the U.S. are experiencing severe health problems like these.

Mounting evidence is tying cannabis to health risks Last year, a study linked daily use of marijuana – whether smoked, vaped, or eaten in edible form – to a significantly higher risk of heart ...

Researchers at the University of California, San Francisco found that consuming THC gummies, tinctures or teas offers no advantage over smoking when it comes to one crucial factor for heart health.

AAA said marijuana use can impact users differently, but sleepiness, brain fog, changes in visual or auditory perception, impaired body movement and hallucinations are among the reported side effects.

Using marijuana doubles the risk of dying from heart disease, according to a new analysis of pooled medical data involving 200 million people mostly between the ages of 19 and 59.

Scientists want to create breathalyzers that show how recently a driver used marijuana. Researchers also are studying how cannabis impairs motor skills and reflexes for habitual and occasional users.