The Keto Diet: What Is It and Why Is Everyone Doing It?By Matthew Loffhagen / July 16, 2019 Not All Studies are Equal Pixabay/DarkoStojanovic With medical studies, it’s important to look the number of participants that take part in a trial. With a sample size of just 21, it’s difficult to know if these results apply to a larger population. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23