A nurse administers a pediatric dose of the Covid-19 vaccine to a girl at a L.A. Care Health Plan vaccination clinic at Los Angeles Mission College in the Sylmar neighborhood in Los Angeles, California, January 19.
Mandatory Credit:	Robyn Beck/AFP/Getty Images

A nurse administers a pediatric dose of the Covid-19 vaccine to a girl at a L.A. Care Health Plan vaccination clinic at Los Angeles Mission College in the Sylmar neighborhood in Los Angeles, California, January 19.
Mandatory Credit: Robyn Beck/AFP/Getty Images

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What are the Covid-19 vaccine side effects in young kids? Experts seek to ease parents' concerns

An inability to stand on one leg for 10 seconds in later life is linked to nearly double the risk of death from any cause within the next decade, according to a new study.