Cuando Vickie Lynn recibió resultados positivos del VIH en 1991, cuando tenía 21 años, pensó que le habían dado una sentencia de muerte. Ciertamente nunca imaginó […]

When Vickie Lynn learned she was HIV positive in 1991 at the age of 21, she thought she’d been given a death sentence. She certainly never […]

  + Video transcript How Are Vaccines Made? Image of a large family seated around the Thanksgiving dinner table. Mom, at the head of the table, […]

The vagus nerve has been a subject of fascination and mystery throughout history. In ancient times, Greek and Roman physicians believed that it helped regulate breathing […]