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Links for 2021-04-27

  • Regular HIIT Exercise Enhances Health via Histamine | The Scientist Magazine®

    The precise molecular mechanisms connecting regular activity to improved health have been unclear. A study published April 14 in Science Advances makes major gains in this understanding. Building off previous work on single bouts of exercise, researchers at Ghent University in Belgium found that when humans perform long-term training, histamine receptors are activated, improving a variety of cardiometabolic risk factors, from insulin sensitivity to aerobic capacity and blood vessel health. “It’s awesome, it’s a very cool paper,” says University of Oregon exercise physiologist John Halliwill, who was not involved in the study. “This is one of a few studies out there finally looking at these molecular transducers, and this is the only one out there on histamine that showed that it has this lasting impact on how we adapt to exercise. . . . It’s not just a signal associated with allergies and asthma, wound healing. It seems to have a hand in everything related to exercise, which is quite amazing.”

    (tags: histamine health medicine exercise hiit training)

  • Estimating AWS EC2 Instances Power Consumption

    attempting to estimate the carbon footprint of cloud computing at AWS, by estimating the power consumption of individual EC2 instances running a workload.

    (tags: aws ec2 cloud-computing energy carbon footprint power estimation ops)