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“There is a big sense of urgency not just because more people are smoking marijuana, but because more people are using it in ways that are harmful, with higher and higher concentration of THC ...
A growing problem among older adults. Marijuana use is on the rise among older adults. A 2020 study found the numbers of American seniors over age 65 who now smoke marijuana or use edibles ...
The health effects of cannabis smoke are an area of active study. A 2007 study found that while tobacco and cannabis smoke are quite similar, cannabis smoke contained higher amounts of ammonia , hydrogen cyanide , and nitrogen oxides , but lower levels of carcinogenic polycyclic aromatic hydrocarbons (PAHs). [ 24 ]
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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.
Cannabis smoking (known colloquially as smoking weed or smoking pot) is the inhalation of smoke or vapor released by heating the flowers, leaves, or extracts of cannabis and releasing the main psychoactive chemical, Δ 9-tetrahydrocannabinol (THC), which is absorbed into the bloodstream via the lungs.
Packaging for a marijuana cigarette sits on top of dried cannabis flowers on April 30, 2024 in San Anselmo, Calif. The U.S. Drug Enforcement Administration announced plans to reclassify marijuana ...
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 ...