A healthy baby boy has been born after he was conceived using a "three-parent" technique to manipulate his DNA, doctors said Tuesday (Sept 27, 2016). Fertility specialists from New York, Cincinnati and Britain did the experimental treatment in Mexico. It has not been approved in the U.S. It has been approved in Britain. It's not the first so-called three-parent baby, but it's the first time modern techniques have resulted in a healthy birth, the doctors said. The mother carries genetic defects known to cause Leigh syndrome, an incurable, progressive disorder in which brain cells gradually die off, causing a range of symptoms. The treatment, in which a second woman's DNA is used to replace th
China is looking for quality sperm. Ever since the nation loosened its one-child family-planning policy earlier this year, its sperm banks have reported serious shortages as couples look for ways to expand their families. Infertility stalks up to 15% of Chinese couples, according to Jiang Hui, the director of andrology at Peking University Third Hospital in the Chinese capital, Beijing, which officially unveiled a new sperm bank in August. “We still don’t have enough donors,” he says, noting that there are only 23 legal sperm banks nationwide, with another 20 under construction — all at public hospitals. “Most families who come to us [for sperm] have to wait at least a year.” The semen-colle
A SYNTHETIC ovary that could help both older women and those with endometriosis conceive is a step closer. Initially intended for women who have undergone cancer treatment, the prototype is the first artificial organ capable of keeping human egg-producing follicles alive outside a woman’s body. It may also be used to delay the onset of the menopause. Women can become infertile after cancer treatment as the ovaries and the egg-making follicles they contain are vulnerable to chemotherapy, especially for leukemias, brain cancers and lymphomas. Removing and freezing ovarian tissue beforehand to reimplant after treatment can help women conceive, but there is a risk that this tissue will reintrodu
The moment you may have been dreading is here. Lazy summer days have come to an end, and more structured back-to-work or back-to-school schedules have commenced. But will your new daily schedule be the healthiest for your brain and body? Scientists have long known that you have an internal biological clock that regulates various physical, mental and behavioral changes your body experiences over a 24-hour cycle, called circadian rhythms. Those circadian rhythms can slowly change as you age. So you tend to require different work schedules and work hours throughout your lifetime. From your adolescence to post-40, here are the schedules that research suggests may be the best for your age: Teens
