CRISPR gene editing has been used on humans in the US

The first human trials in the US for CRISPR gene editing are officially underway. A University of Pennsylvania in Philadelphia spokesman has confirmed that two cancer patients, one with myeloma and one with sarcoma, have received CRISPR treatments after standard treatment didn't hold. The trial removes, modifies and reinserts immune cells in hopes they'll destroy cancerous cells. It's not certain how effective the treatment has been, and you won't find out for a while when the trial has been cleared to treat a total of 18 patients. You won't hear more about it until there's been a presentation or a peer-reviewed paper, the university said. Other trials, such as ones for blood disorders in t

Twenty minutes of contact with nature will lower stress

Taking at least twenty minutes out of your day to stroll or sit in a place that makes you feel in contact with nature will significantly lower your stress hormone levels. That's the finding of a study that has established for the first time the most effective dose of an urban nature experience. Healthcare practitioners can use this discovery, published in Frontiers in Psychology, to prescribe 'nature-pills' in the knowledge that they have a real measurable effect. "We know that spending time in nature reduces stress, but until now it was unclear how much is enough, how often to do it, or even what kind of nature experience will benefit us," says Dr. Mary Carol Hunter, an Associate Professor

Woman with two wombs gives birth twice, nearly a month apart

A 20-year-old Bangladeshi woman gave birth to twins -- 26 days after giving birth to her first child. Arifa Sultana gave birth to a boy in late February, according to Dr. Sheila Poddar, a gynecologist at Ad-Din hospital in Dhaka. After a normal delivery, the mother and baby were released from a different Dhaka hospital. Less than four weeks later, she was admitted to Ad-Din hospital. "She came to the hospital complaining of lower abdominal pain," Poddar said. Doctors performed an ultrasound and realized Sultana was pregnant with twins. Sultana had two uteruses, a condition called uterus didelphys. Her first baby and the twins were conceived and grown in separate wombs. She did not get an ult

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