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Growing evidence suggests marijuana may be linked to certain heart problems. What's not clear is whether the heart risks are from smoking or if it’s the THC in weed that could be harmful.
Scientists analyzed data on nearly 435,000 patients, ages 18 to -74, to see if there was a link between marijuana use and a higher risk of heart disease, stroke, or a heart attack.
A new scientific statement from the American Heart Association is shedding light on the potential dangers of marijuana use for those with cardiac issues.
Long-term effects of smoking cannabis include lung inflammation. [90] Smoking cannabis has been linked to adverse respiratory effects including: chronic coughing, wheezing, sputum production, and acute bronchitis. [87] It has been suggested that the common practice of inhaling cannabis smoke deeply and holding breath could lead to pneumothorax.
A 2000 study by researchers at Boston's Beth Israel Deaconess Medical Center, Massachusetts General Hospital, and Harvard School of Public Health found that a middle-aged person's risk of heart attack rises nearly fivefold in the first hour after smoking cannabis, "roughly the same risk seen within an hour of sexual activity". [78] [79]
Older marijuana users are at a high risk of heart attack and stroke, while older daily users are 34% more likely to develop heart failure, according to new studies.
Smoking most commonly leads to diseases affecting the heart and lungs and will commonly affect areas such as hands or feet. First signs of smoking-related health issues often show up as numbness in the extremities, with smoking being a major risk factor for heart attacks, chronic obstructive pulmonary disease (COPD), emphysema, and cancer, particularly lung cancer, cancers of the larynx and ...
Using marijuana as little as once per month is associated with a higher risk of heart attack and stroke, according to a large study published Wednesday.