what's the buzz.

what's the buzz.

It was found that rodents kept in a lighted room 24 hours a day showed symptoms of depression unlike mice that had a normal light-dark cycle. A total of 24 male laboratory mice were used for the research.

Half were housed in light for 16 hours a day and darkness for 8 hours, while the other half had 24 hours of light.
Also, half of each group had opaque tubes in their units that let them escape the light when they chose. The other half had similar tubes that were clear and let the light in.
It was observed that mice which was kept in constant light, but could escape into a dark showed less evidence of depressive symptoms than those that had 24-hour light, but only a clear tube in their housing.

Laura Fonken, Ohio State University, said: “The ability to escape light seemed to quell the depressive effects.”
“But constant light with no chance of escape increased depressive symptoms.”

Right diet helps keep good bacteria
Eating right, not supplements, is the best way to keep the good bacteria in the gut healthy, according to an expert.
Gail Cresci, Medical College of Georgia, said that as with vitamins, it’s best to get the bacteria you need from healthy food rather than taking often expensive and potentially ineffective supplements.

“Consumers are buying stuff like crazy that is probably not even helping them and could potentially hurt them,” said Cresci.
There is even mounting evidence that a healthy gut microbiota helps maintain a healthy weight.
Studies have shown, for example, that when bacteria from a genetically fat mouse are placed in a lean germ-free mouse, it gains weight without changing its food intake.

Leafy greens could help fight the flab
Eating more plant-based foods, which are rich in substances called phytochemicals, could help fight obesity, according to a new study.

The study, conducted by researchers at the University of Florida, showed that phytochemicals prevent oxidative stress in the body, a process associated with obesity.
To get enough of these protective phytochemicals, the researchers suggest eating plant-based foods such as leafy greens, fruits, vegetables, nuts and legumes at the start of a meal.

Heather K Vincent, lead author, said that using what is known as a phytochemical index, which compares the number of calories consumed from plant-based foods compared with the overall number of daily calories, could also help people make sure they remember to get enough phytochemicals during their regular meals and snacks.

Oxygen reduces brain tissue damage
A new study led by an Indian-origin researcher has revealed that giving supplemental oxygen can significantly reduce damage to brain tissue in stroke patients.
However, the timing of the delivery of 100 per cent oxygen — either by mask or in a hyperbaric chamber — is critical to achieving the benefit.
“The use of supplemental oxygen after blood flow is restored in the brain appears to actually cause harm by unleashing free radicals,” said Savita Khanna, Ohio State University, the principal investigator of the research.
“The resulting tissue damage was worse than stroke-affected tissue that received no treatment at all,” she added.