"Here's an explanation of the above taken from another ng post by Lyle.
As I said, the book is extremely well researched, full of good
scientific citations"
And here's the author:
About the Author: Lyle McDonald
Lyle McDonald became interested in the science of exercise and
nutrition in high school through his involvement in martial arts,
triathlon, gymnastics and weight training. This led him to pursue a
bachelor's of science degree in Kinesiology from the University of
California at Los Angeles. The curriculum included an overwhelming
amount of basic human physiology, anatomy, biochemistry, endocrinology
as well as coursework in exercise physiology, biomechanics and
nutrition.
After graduation in 1993, he got involved in personal training in a
variety of settings. From this time until the present is when he
really learned about some of the realities about training, nutrition
etc. Lyle got involved in the internet at the end of college, first
posting to alt.support.diet and then to misc.fitness (before it
splintered into misc.fitness.weights and a few others). He has written
over 40 articles which have been posted to the internet and which are
archived on a variety of www pages "
Gee, coming from a real medical authority like that, why would anyone
have doubts that 100g of carb is the magical number for ketosis in
everyone, regardless of weight, age, sex, etc.?