By Bill Hathaway Age-related macular degeneration is one of the leading causes of blindness in the elderly, affecting more than 2 million people in the United States and leading to progressive loss of central vision. Genome wide studies have identified almost three dozen genes that play a role in the disease, but exactly where in… Read More »
Robert F. Kennedy Jr. and other anti-vaccine crusaders have long and falsely blamed vaccines for breeding an “epidemic” of autism. But is the epidemic even real? According to the authors of a new study, the astonishing explosion in the number of diagnosed cases of autism is the result of a broadening of the definition of… Read More »
ANN ARBOR—Take a piece of tissue, twist it into a stiff peak and brush it against the fine hair beneath your lower lip—the sensation creates an itch, but unlike the bite from a mosquito, this is called a mechanical itch. A University of Michigan team has identified the neuronal pathway, from the skin to the… Read More »
A newly discovered ribosomal DNA (rDNA) clock can be used to accurately determine an individual’s chronological and biological age, according to research led by Harvard T.H. Chan School of Public Health. The ribosomal clock is a novel biomarker of aging based on the rDNA, a segment of the genome that previously has been mechanistically linked to aging. It has… Read More »
More than 26 million people — more people than in all of Australia — have shared their DNA with one of the four leading ancestry and health databases, allowing researchers to extrapolate data on virtually all Americans and raising some serious privacy concerns, according to the MIT Technology Review.