A diet rich in vitamin C could cut risk of cataract progression by a third, suggests a study being published online today in Ophthalmology. The research is also the first to show that diet and lifestyle may play a greater role than genetics in cataract development and severity.

While there is no Hubble telescope gathering data about the universe of human development, projects to make large amounts of information -- big data -- more accessible to developmental researchers could bring behavioral science's biggest questions into focus, according to a Penn State psychologist.

"Many people, when they think about big data, think about astronomy, or physics, or biology and cancer research, but, in fact, there are big data approaches to studying human development," said Rick Gilmore, associate professor of psychology. "It's exciting that we now have the opportunity to learn how people emerge through the developmental process by taking empirical work from large numbers of investigators and aggregating that data."

MINNEAPOLIS - Exercise in older people is associated with a slower rate of decline in thinking skills that occurs with aging. People who reported light to no exercise experienced a decline equal to 10 more years of aging as compared to people who reported moderate to intense exercise, according to a population-based observational study published in the March 23, 2016, online issue of Neurology®, the medical journal of the American Academy of Neurology.

Female cardiologists are less likely than their male counterparts to get married and have children and more likely to face challenges related to child care, family leave policies and professional discrimination, according to a study scheduled for presentation at the American College of Cardiology's 65th Annual Scientific Session.

Women are also underrepresented in the field, comprising less than 20 percent of cardiologists who see adult patients. The study, the third in a series of surveys conducted by the American College of Cardiology, revealed only slight improvements over the past 20 years.

An investigation on the effect of fish oil supplements for muscle growth reveals the tablets do not give gym-goers an advantage in the weight room.

Supplements are a protected class in the United States, easily claiming drug effects without being forced to prove they work the way drugs do. Most are just expensive placebos, more akin to homeopathy and superstition than medicine, though they are heavily promoted by alternative medicine gurus such as Dr. Joe Mercola and Dr. Oz.

Honing in on when life on Earth evolved from single-celled to multicellular organisms is no easy task. Organisms that old lacked many distinguishing characteristics of modern life forms, making their fossils exceptionally rare.

But University of Wisconsin-Milwaukee paleontologist Stephen Dornbos and his research partners have discovered new clues in the quest. The team found fossils of two species of previously unknown ancient multicellular marine algae, what we now know as seaweed - and they're among the oldest examples of multicellular life on Earth.