is cannabis more harmful than tobacco Can Smoking Marijuana Increase Stroke Risk? | Health Matters Marijuana linked to heart disease;

Once damaged, they cannot efficiently transfer oxygen into the blood

A 2021 JAMA Pediatrics research letter analyzing youth smoking rates following the ban on sales of flavored tobacco products in San Francisco, California, surprisingly concluded that the ban was associated with increased smoking among high school students under the age of 18 relative to other school districts

Neuroscientific studies point to complex actions of nicotine on human cognition, with cognitive-enhancing effects in attentional and memory processes (Valentine and Sofuoglu, 2018)

Acute and chronic exposure to cannabis can impair verbal learning, memory, and attention

It's no secret that smoking causes lung cancer