Advertisement matter By manipulating DNA, researchers are trying to create microbes that, once ingested, work to treat a rare genetic condition — a milestone in synthetic biology. Image A newborn is tested for PKU, a rare inherited blood disorder, at a hospital in California.CreditCreditSpencer Grant/Science Source Sept. 4, 2018 In a study carried out over…
A recent 12-week study in JAMA Internal Medicine of 302 postmenopausal women found that estrogen (in the form of Vagifem, a vaginal tablet) was about as effective as a vaginal moisturizer (Replens) or a placebo tablet or gel in providing relief. “Estrogen is not some sort of miracle for everyone,” though for some, “I think…
The breasts contain a series of ducts that carry milk from the mammary glands to the nipples when a woman is breastfeeding. A clogged duct can cause intense pain, swelling, and itchiness. A 2011 study of 117 breastfeeding women found that 4.5 percent experienced clogged ducts at some point during the first year of breastfeeding.…
Kinch, a research scientist, now at Washington University in St. Louis, who has worked on both immunology and cancer and has published a previous book on the crisis in drug development, recounts this history in scholarly detail. Although Edward Jenner is credited with the discovery of vaccination, for using cowpox to inoculate against smallpox, it…
Amenorrhea means an absence of menstruation. The term also applies to people who have not started their period by the age of 16, which is called primary amenorrhea. Secondary amenorrhea occurs in people who have missed 3 months of periods. This article explores possible reasons for an absence of menstruation. It also covers when to…
Many people get enough vitamins through eating a healthful and varied diet. However, women have slightly different nutritional needs to men, and these needs can change during the various stages of a woman’s life. In this article, we look at what vitamins and other nutrients a woman needs at different stages in her life. Recommended…
The online vitamin and supplement marketplace is fierce, star-studded and murky. The Kardashians endorse gummies they say promote hair health. Gwyneth Paltrow’s Goop website pushes pills and liquids in the name of holistic wellness. Even the conspiracy website Infowars is partly funded through the sale of potions and powders. In this crowded field, the start-up…
“Trump’s America, man,” said a barista, Dan Foley, also 31. Greg Steltenpohl, a co-founder and the chief executive of Califia Farms, which makes almond milk, argued that the latest debate was overblown. He pointed out that the Department of Agriculture found last year that 90 percent of households that bought alt-milks also purchased dairy milk.…
During the Cold War, Washington feared that Moscow was seeking to turn microwave radiation into covert weapons of mind control. More recently, the American military itself sought to develop microwave arms that could invisibly beam painfully loud booms and even spoken words into people’s heads. The aims were to disable attackers and wage psychological warfare.…
The month-old Ebola outbreak in the Democratic Republic of Congo, which emerged unexpectedly in a dangerous region and quickly soared to over 100 cases, now appears to be fading. Only a handful of new cases appear each week, and the region’s two treatment centers, full until recently, now have fewer than 30 patients in their…