Health Highlights, Sept. 24, 2021

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CDC approves booster shots for millions of Americans: In a rare move, CDC Director Dr. Rochelle Walensky said those who have jobs that make them vulnerable to COVID exposure can also get the extra doses. Read more

COVID vaccines well worth it for cancer patients: A pair of clinical trials finds patients’ immune systems ramped up after vaccination. Read more

Could a computer program help doctors spot breast cancer? New research says it can, and using it might reduce the need for extra testing. Read more

Saline spray slowed COVID’s spread in lab study: It cut replication of the virus by 88% in tests of infected lung cells, but it does not offer full protection against infection or a cure for COVID-19. Read more

Japanese knotweed might make cold cuts more healthy: This annoying, invasive plant contains a chemical that could take the place of the preservative nitrite, which has been linked to cancer, in cured meats, researchers report. Read more

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