The Fast-5 website seems to be working normally. Are you using http://www.fast-5.com ?
The article you mention has lots of shortcomings that the authors themselves outline in the discussion. For instance, they didn't ask the adults if they typically eat breakfast -- they asked if they'd had breakfast on a particular morning. They had a strange definition of breakfast -- eating between 6AM and 9AM. So if a person ate at 5:30, he/she didn't have breakfast. They also noted that the group that didn't eat breakfast tended to have poorer diets in general. I don't think they recorded economic factors that might lead to a poor diet, such as skipping breakfast out of economic necessity. Smoking rates were higher in the non-breakfast eaters too...does that mean skipping breakfast causes people to start smoking? Of course not, but that's how studies can be misleading. Association between two things doesn't mean one is cause and one is effect. A third, unstudied factor such as living in poverty could cause both of the associated findings. The same applies to all medical studies -- risk factors and associations are not the same as cause and effect.
Studying humans and comparing outcomes is a very difficult process. Someone could pick bits of this study and say "oh, it shows this." Someone else could say it doesn't show anything because of the issues above. So what do you do?
You disregard the study. You disregard me, Dr. Eades, Mr. Colpo and everyone, and you look at what works for you because that is the only thing that matters. It doesn't take a study to tell you whether you're losing weight. It doesn't take a study to tell you what your cholesterol, blood pressure, and overall sense of well-being are doing. You're the only one who can know all these things.
I support intermittent fasting because it works for weight loss for a great number of people for whom no other approach has worked. Does it work perfectly for everyone? Of course not. Is it the only way to lose weight? No. There is too much diversity among people for one thing to be the right match for everyone. That diversity makes studies like the one above very difficult -- we're not inbred lab mice, so what goes for one may or may not go for another.
In fact, some studies based on lab mice are being reconsidered: What does it mean that a certain inbred strain (which is not normal for mice) has a given outcome in a study? Would wild mice have the same response? In many cases the answer is "no." I think the same can be said for humans in a study. Do we behave the same way when we're on our own when we know we're being observed? No. I think most people would lose weight as soon as someone starts monitoring what they're eating. The problem is, most of us can't hire food monitors for ourselves. We have to find something that works in the real world.
So you, as a "wild human" have to make your study of one. See what works for you. If Fast-5 works for you, that's great news for you and your body. If Fast-5/IF doesn't work for you, keep trying alternatives because weight loss, with all it's health and social impacts, is worthy goal. As you go, evaluate your health. Ask your doctor's opinion if you have questions or concerns.
Best wishes,
Bert
Fast-5 Corporation
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