The first long-acting option to protect women from HIV, proven to reduce women’s HIV risk, has been recommended for use by the World Health Organization.
New clinical research indicates that a widely used food additive, carboxymethylcellulose, alters the intestinal environment of healthy persons, perturbing levels of beneficial bacteria and nutrients.
About one in 20 people go through a period of stuttering during childhood. Until the latter half of the 20th century, stuttering was believed to be a psychological problem stemming from lack of effort or from trauma.
Johns Hopkins Medicine researchers report they have genetically mapped the cell types that make up the mouse iris — the thin disc of pigmented tissue that, in humans, gives eyes their distinct colors.
Ever since the first barcode appeared on a pack of chewing gum in 1974, the now-ubiquitous system has enabled manufacturers, retailers and consumers to quickly and effectively identify, characterize, locate and track products and materials.
Using data from smartwatches, a new algorithm reads heart rate as a proxy for physiological or mental stress, potentially alerting wearers they’re falling ill before they have symptoms.