Can anyone Explain EFT briefly?

It's the placebo effect plus the power of suggestion.
http://www.skepdic.com/eft.html

Emotional Freedom Technique helps you reduce weight in following ways.
With EFT you can control your food cravings for 2 -3 minutes and later you automatically don't feel like eating them.Also EMT gives peace of mind in emotional eating process, thus you avoid eating junk foods and eat healthier foods.All this helps to reduce weight loss.

It is psychological acupressure technique I routinely use in my practice and most highly recommend to optimize your emotional health. you will be tapping with your fingers. There are a number of acupuncture meridians on your fingertips, which are utilized. talk to an expert today.