Sarah Elizabeth Richards

Sarah Elizabeth Richards is a San Diego-based health and science journalist who writes frequently about biotech. Her work has appeared in The Washington Post, The New York Times, The Wall Street Journal, The Atlantic and Elle Magazine. She is the author of Motherhood, Rescheduled: The New Frontier of Egg Freezing and the Women Who Tried It.

By detecting the genetic traces of cancer cells in a patient's blood, medical scientists could open the door to easier diagnosis and more effective treatments.

How Simple Blood Tests Could Revolutionize Cancer Treatment

The latest DNA science can match tumor types to new treatments, and soon, a blood test might be able to detect early signs of cancer

Scientists are starting to get a better idea of how many factors can influence a newborn's gut microbiome.

Babies Born by C-Section Have Different Gut Microbes Than Vaginally Delivered Infants

Method of delivery can influence the bacteria in infants' guts, according to a new study, but differences were found to disappear within nine months

The microbes in human guts, including bacteria, archaea, fungi and viruses, play a significant role in how our bodies respond to diseases and treatments.

How the Microbiome Could Be the Key to New Cancer Treatments

The effectiveness of drugs that help the immune system fight cancer cells appears to depend on bacteria in the gut

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