Depression, stress may reduce efficacy of COVID-19 vaccines, scientists say
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Depression, stress, and loneliness can weaken the body's immune system, and lower the effectiveness of certain vaccines, including the new COVID-19 preventives, scientists said. According to a report accepted for publication in the journal Perspectives on Psychological Science, simple interventions, including exercise and getting a good night's sleep in the 24 hours before vaccination, may maximize the vaccine's initial effectiveness.