Health

Blue light creates negative physiological changes during sleep

Extended exposure to light during nighttime can have negative consequences for human health. But now, researchers from Japan have identified a new type of light with reduced consequences for physiological changes during sleep.

Medical research

Olympic athletes should be mindful of their biological clocks

Biological clocks have sizeable effects on the performance of elite athletes. This conclusion was drawn by chronobiologists from the University of Groningen after studying the times achieved by swimmers in four different ...

Medical research

Linking calorie restriction, body temperature and healthspan

Cutting calories significantly may not be an easy task for most, but it's tied to a host of health benefits ranging from longer lifespan to a much lower chance of developing cancer, heart disease, diabetes and neurodegenerative ...

Health

Take a bath 90 minutes before bedtime to get better sleep

Biomedical engineers at The University of Texas at Austin may have found a way for people to get better shuteye. Systematic review protocols—a method used to search for and analyze relevant data—allowed researchers to ...

Health

How many calories do you burn? It depends on time of day

Researchers reporting in Current Biology on November 8 have made the surprising discovery that the number of calories people burn while at rest changes with the time of day. When at rest, people burn 10 percent more calories ...

Diabetes

Fat cells step in to help liver during fasting

How do mammals keep two biologically crucial metabolites in balance during times when they are feeding, sleeping, and fasting? The answer may require rewriting some textbooks.

Medical research

Here's why you don't feel jet-lagged when you run a fever

A clump of just a few thousand brain cells, no bigger than a mustard seed, controls the daily ebb and flow of most bodily processes in mammals—sleep/wake cycles, most notably. Now, Johns Hopkins scientists report direct ...

Immunology

Warmer body temperature puts the heat on the common cold

A new Yale study reveals how body temperature affects the immune system's response to the common cold virus. The research, published by the Proceedings of the National Academy of Sciences, may provide additional strategies ...

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