Author: Katsiaryna Bykov

Katsiaryna Bykov

Katsiaryna Bykov, PharmD, ScD, is a pharmacoepidemiologist at Brigham and Women’s Hospital, and an instructor in medicine at Harvard Medical School. Originally trained as a pharmacist, she completed her research doctorate in epidemiology at the Harvard T.H. Chan School of Public Health, and has been conducting research on medication use, safety, and effectiveness for more than a decade.

Federal health data confirms that cannabis consumption among American teenagers has fallen to historic lows even as state-level adult-use legalization expands nationwide. At the same time, national surveys show that adults aged 65 and older are turning to cannabis in growing numbers, challenging decades-old assumptions about regulatory reform and youth access. For decades, opponents of legalization argued that establishing commercial cannabis markets for adults would inevitably encourage higher consumption among minors. However, more than a decade of state-level regulation has produced the opposite outcome among adolescent demographics. Federal Data Shows 44% Decline in High School Cannabis Use Data from the…

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The provincial government of Gandaki has legalized the cultivation and medical use of cannabis, challenging Nepal's federal drug laws. Prabin Poudyal, spokesman for the Gandaki Province Chief’s office, confirmed the bill took effect on Monday. Under the new provincial rules, farmers must secure official permits and submit to close monitoring. This local legalization contrasts with the federal ban, under which personal possession carries a one-month jail sentence, and distribution leads to up to 10 years in prison depending on the seized amount. Gandaki, home to the resort city of Pokhara and major Himalayan hiking trails, is the first province to…

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The Spanish government has approved a draft reform to tighten its national anti-tobacco laws, expanding smoke-free zones to outdoor public spaces and banning nicotine consumption for minors. This decision targets both traditional cigarettes and electronic vaping devices to curb youth nicotine addiction. The proposed legislation aims to protect public health by eliminating smoking exceptions in outdoor areas. Under the new rules, smoking and vaping will be banned on restaurant and bar terraces, beaches, public pools, university grounds, sports facilities, and outdoor event venues like music festivals. This shift directly impacts Spain's hospitality sector. Restaurant owners argue that outdoor terraces are…

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Texas-based Christian nationalist pastor Joel Webbon has drawn widespread mockery after releasing a video claiming that marijuana makes men "spiritually gay" and urging Christian men to smoke tobacco instead. The controversial remarks, posted to social media on May 31, 2026, frame nicotine use as a tool for masculine resistance. In the viral video, Webbon dismissed decades of established medical research linking tobacco to cancer, labeling anti-smoking campaigns as one of the biggest "propaganda psyops" of the past half-century. According to Webbon, nicotine fosters strong, independent men who can resist government control, whereas cannabis supposedly feminizes users. "Marijuana makes you less…

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A new study published in the American Journal of Preventive Medicine has revealed that fewer than one in five older adults discuss their cannabis use with clinicians. This communication gap occurs within an increasingly permissive policy landscape, even as seniors' perception of cannabis-related risks continues to decline sharply. Analyzing data from 14,387 participants in the 2021–2023 National Survey on Drug Use and Health (NSDUH), researchers evaluated substance use alongside healthcare interactions. The findings highlight a significant disconnect between substance prevalence and clinical engagement among older demographics: Given the heightened health risks associated with substance use in older age, the study's authors emphasize…

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Researchers at Gentofte University Hospital in Denmark have identified a potential link between medical cannabis and an increased risk of heart rhythm disorders. Analyzing the medical records of 1.6 million chronic pain patients, the study comes at a crucial time as medical marijuana gains rapid global acceptance as an alternative to traditional painkillers and opioids. The Danish research team tracked approximately 4,600 patients who filled at least one prescription for medical cannabis out of a larger pool of individuals suffering from chronic pain conditions, such as cancer, arthritis, nerve damage, and back issues. The goal was to determine if cannabis…

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The Ministry for Regulation and the Ministry of Health have officially enacted a landmark regulatory framework for New Zealand’s hemp industry, effective May 28, 2026. This historic reform, championed by Regulation Minister David Seymour, revokes the outdated Industrial Hemp Regulations 2006 to drastically reduce barriers for local growers. A coalition representing over 95% of the country's licensed hemp operators—including the New Zealand Hemp Industries Association (NZHIA), the Aotearoa Hemp Alliance (AHA), and the New Zealand Medicinal Cannabis Council (NZMCC)—has welcomed the transition. By moving low-THC hemp regulation directly under the Misuse of Drugs Regulations 1977, the government has established a…

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