The heart of an astronaut, five years on

The heart of an astronaut is a much-studied thing. Scientists have analyzed its blood flow, rhythms, atrophy and, through journal studies, even matters of the heart. But for the first time, researchers are looking at how ...

Weightless on Earth: Preparing astronauts for microgravity

During missions on the International Space Station, astronauts' bodies go through a wide array of changes due to lack of gravity—everything from vision to cardiovascular health to bone density is affected.

Studies show different types of vinegar may benefit health

The earliest known use of vinegar dates back more than 10,000 years ago and has been used as a food and medicine.  A new review article in the Journal of Food Science, published by the Institute of Food Technologists (IFT), ...

Supporting worker sleep is good for business

A long-haul truck driver fell asleep during his shift in Sunbury, Pennsylvania, on Jan. 13. Heading north on Route 147, he drifted into the eastbound shoulder for almost 375 feet, struck the side of the road and flipped his ...

Many veterinarians aren't comfortable talking about fat cats

As many as two-thirds of North American cats are obese, and just like in humans, obesity can shorten their lives and cause a long list of health issues including diabetes, osteoarthritis and cardiovascular problems. Yet, ...

Rabbits kept indoors could be vitamin D deficient

Rabbits that remain indoors may suffer from a lack of vitamin D, researchers report in a new study. In rabbits kept as pets or used in laboratory studies, the deficiency could lead to dental problems, undermine their cardiovascular ...

Study finds low nutritional quality in vegetarian meat

The availability of foods based on plant proteins to substitute for meat has increased dramatically as more people choose a plant-based diet. At the same time, there are many challenges regarding the nutritional value of ...

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