Health Highlights: Jan. 21, 2022

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Pot vendors are aiming their ads at kids. Some recreational pot shops are using tricks from the old playbooks of alcohol and tobacco companies to target underage users on social media, a new study reports. Read more

COVID booster shots can keep seniors out of the hospital. For older Americans, the risk of severe disease is far higher for those who are unvaccinated than for those who are fully vaccinated and have had a booster shot, CDC data shows. Read more

Makers of at-home COVID test kits struggle to meet demand. As the Omicron variant surges, pandemic supply chain issues are crippling manufacturers’ ability to meet orders, companies say. Read more

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