The C.D.C. recommends that gay and bisexual men and transgender women who have had an S.T.I. in the last year or who may be at risk for one take doxycycline within 72 hours of unprotected sex.
Climate change and contaminated water have combined to create an epidemic of kidney disease.
Collecting freshly dried anchovies on Kallady Beach near Batticaloa, Sri Lanka. Residents, particularly men, have seen rising rates kidney disease at increasingly younger ages.
Hoau-Yan Wang’s work underpinned research into a diagnostic test for Alzheimer’s disease and simufilam, a drug in advanced clinical trials made by Cassava Sciences in Austin, Texas.
Across every age group, a vast majority of Americans who were hospitalized for Covid did not receive one of the shots offered last fall, according to data presented at a meeting of the C.D.C.
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