Crossfit Charlotte-Blog

Feb
18
Soybean Oil and the Brain
By Andy Hendel

America's most widely consumed oil causes genetic changes in the brain






America's most widely consumed oil causes genetic changes in the brain
Edible fats and oils consumed in the U.S., 2017/18. Credit: USDA




New UC Riverside research shows soybean oil not only leads to obesity and diabetes, but could also affect neurological conditions like autism, Alzheimer's disease, anxiety, and depression.







Used for frying, added to packaged foods, and fed to livestock, soybean oil is by far the most widely produced and consumed edible oil in the U.S., according to the U.S. Department of Agriculture. In all likelihood, it is not healthy for humans.


It certainly is not good for mice. The new study, published this month in the journa...


Feb
12
Are you sleeping
By Andy Hendel



How lack of sleep affects health and tips for a good night's rest





Nearly two-thirds of Americans do not get a full eight hours of sleep per night. Now, researcher Matthew Walker is sounding the alarm about what he calls "th...




Feb
08
VO2 Max-Effort Lift
By Andy Hendel

“By analyzing the amount of oxygen you consume, the (VO2 max) test determines how efficiently your body extracts and uses oxygen from the air. This makes it the gold standard of fitness markers, as well as a strong indicator of your overall health.”


That statement appeared in the April 21 Menshealth.com article “5 Health Tests That Could Save Your Life” (7).


Do you think it’s correct? Incorrect? Partially correct?


ALT TEXTCrossFit has blurred the line between conditioning and strength work. For example, gymnastics and barbells can be combined in intervals that dramatically affect the aerobic system. (Shaun Cleary/CrossFit Journal)


As CrossFit athletes, we’re intereste...


Feb
07
Effects of Intermittent Fasting on Health, Aging, and Disease
By Andy Hendel








Effects of Intermittent Fasting on Health, Aging, and Disease






This comprehensive 2019 New England Journal of Medicine review summarizes the impact of intermittent fasting at both a cellular and an organ/body system level. It then outlines how these changes may benefit individuals with a variety of disease states.


Intermittent fasting, as defined by review authors Rafael de Cabo and Mark P. Mattson, is a period of food restriction sufficient to clear liver glycogen stores and dramatically suppress glucose, insulin, and amino acid uptake by cells. During fasting, fatty acids are released into circulation and taken ...


Feb
04
10,000 Steps to Better Health?
By Andy Hendel




One of the most widespread beliefs in the mainstream fitness community is that 10,000 steps a day is the best thing any person can do for their overall health. Walking has been linked to improved cardiorespiratory capacity and cognitive function in old age. While the benefits of walking are not in dispute here, what about the magic number? Why 10,000 steps and not 8,000 or 12,007?


According to a recent article in The Atlantic, the much-touted magic number was originally a marketing gimmick pulled from thin air by a Japanese pedometer manufacturer: The number “was chosen for the product because the character for ‘10,000’ looks sort of like a man walking.”


This reasoning ...


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