A hormone-free pill, known as YCT-529, that temporarily stops sperm production by blocking a vitamin A metabolite, has concluded its first safety trial in humans, getting a step closer to increasing ...

A new study reveals that Pfizer’s COVID-19 vaccine may cause subtle but measurable changes in the eyes — specifically in the ...

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The Trump administration asked the Supreme Court on Thursday to allow it to cut hundreds of millions of dollars’ worth of ...