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Olivia B. Waxman is a staff writer at TIME. She covers history and education. More From TIME ...

Vitamin B complex is a group of B vitamins that play a role in your body’s functions, including cardiovascular and cell health. You typically get these vitamins from a nutritious diet.

THE WEEK’S MOST POPULAR CURRENT R&B/HIP-HOP SONGS ACROSS ALL GENRES, RANKED BY STREAMING ACTIVITY DATA BY ONLINE MUSIC SOURCES TRACKED BY LUMINATE, RADIO AIRPLAY AUDIENCE IMPRESSIONS AS MEASURED ...

B vitamins, or vitamin B complex, include eight nutrients involved in important processes within the body. Vitamin B complex has benefits for metabolism, energy production, and red blood cell ...

Peterhouse, University of Cambridge, Trumpington Street, Cambridge CB2 1RD, UK ...

A levonorgestrel morning-after pill like Plan B One Step, Next Choice One Dose, Take Action, My Way, and AfterPill can lower your chance of getting pregnant by 75-89% if you take it within 3 days ...

Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi Kohoku-ku, Yokohama 223-8522, Japan ...