Baltimore Health Commissioner Leana Wen worries about what this means for teen pregnancy rates.

  • Aug 9, 2017

Rebecca Siegel of the American Cancer Society says there appears to be a “a true and perplexing escalation in disease occurrence” of colorectal cancer among white men and women.

  • Aug 8, 2017

John Zhang helped a mother with a mitochondrial disease give birth to a healthy baby.

  • Aug 7, 2017

The work is particularly sensitive because it involves changes to the germ line, genes that could be passed on to future generations.

  • Aug 2, 2017

The study adds to evidence that sleep is linked to indicators of metabolic health such as blood pressure, blood cholesterol, blood sugar, and thyroid function.

  • Jul 31, 2017

The one rule about antibiotics that has been drilled into our heads for generations is that you absolutely must take the full course — or else something very bad might happen. Is it time to reconsider that advice?

  • Jul 27, 2017

Men in Europe, North America and Australia have had dramatic declines in sperm quality, according to a meta-analysis of 185 studies.

  • Jul 25, 2017

In a clinical trial, the long-lasting antiretroviral injection seemed to be as safe and effective at suppressing HIV.

  • Jul 24, 2017

The case establishes that HIV may be controllable in some way other than a daily, lifelong regimen of antiretroviral drugs.

  • Jul 24, 2017

Homicide is now the fifth-leading cause of death in women ages 18 to 44.

  • Jul 20, 2017
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