High on fat, low on evidence: the problem with the keto diet

"Recent research found that, after three weeks of following a LCHF diet, young and healthy adult participants recorded a 44% increase..."

The Guardian keeps grasping for pieces to fit their narrative; this one is particularly weak.

The important lipid numbers are the amount of small-particle LDL, the ratio of HDL to LDL, and triglycerides. The first two weren't even measured, and the third was no worse for the LCHF group.

Worse yet was the ridiculous sample size, which was at most 15 subjects and may be as few as 6! (9 quit)