Tag Archives | life

Obesity and knee osteoarthritis shorten healthy years of life

Boston, MA — An estimated 10 million Americans suffer from knee osteoarthritis (OA), making it one of the most common causes of disability in the US. Due to obesity and symptomatic knee OA, Americans over the age of 50 will together lose the equiv…

Conceptualizing cancer cells as ancient ‘toolkit’

TEMPE, Ariz. — Despite decades of research and billions of dollars, cancer remains a major killer, with an uncanny ability to evade both the body’s defenses and medical intervention. Now an Arizona State University scientist believes he has an exp…

Lifestyle affects life expectancy more than genetics

How long your parents lived does not affect how long you will live. Instead it is how you live your life that determines how old you will get, reveals research from the University of Gothenburg recently published in the Journal of Internal Medicine….

Brains need love, too

Mom’s touch and diet — Claire-Dominique Walker, PhD, director, Neuroscience Research Division, Douglas Institute.
The quality and quantity of maternal milk and maternal-infant contact impact the stress response of the adult offspring, acc…

Migraine surgery offers good long-term outcomes

Surgery to “deactivate” migraine headaches produces lasting good results, with nearly 90 percent of patients having at least partial relief at five years’ follow-up, reports a study in the February issue of Plastic and Reconstructive Surgery┬«, the …

Oxygen-free early oceans likely delayed rise of life on planet

RIVERSIDE, Calif. — Geologists at the University of California, Riverside have found chemical evidence in 2.6-billion-year-old rocks that indicates that Earth’s ancient oceans were oxygen-free and, surprisingly, contained abundant hydrogen s…

Species loss tied to ecosystem collapse and recovery

PROVIDENCE, R.I. [Brown University] — The world’s oceans are under siege. Conservation biologists regularly note the precipitous decline of key species, such as cod, bluefin tuna, swordfish and sharks. Lose enough of these top-line predators …

The ‘mad’ Egyptian scholar who proved Aristotle wrong

Ibn al-Haytham’s 11th-century Book of Optics, which was published exactly 1000 years ago, is often cited alongside Newton’s Principia as one of the most influential books in physics. Yet very little is known about the writer, considered by many to b…

Widespread ancient ocean ‘dead zones’ challenged early life

The oceans became oxygen-rich as they are today about 600 million years ago, during Earth’s Late Ediacaran Period. Before that, most scientists believed until recently, the ancient oceans were relatively oxygen-poor for the preceding four billio…

Scientists decipher 3 billion-year-old genomic fossils

About 580 million years ago, life on Earth began a rapid period of change called the Cambrian Explosion, a period defined by the birth of new life forms over many millions of years that ultimately helped bring about the modern diversity of ani…

Swedes happier than before

Swedes are both happy and content with their lives, reveals a report from the SOM Institute at the University of Gothenburg, Sweden. The factors that contribute most to a sense of wellbeing are good health, family and friends, a good home and person…