for majewski knows plenty about the yo yo effect she tried to slim down many times in her life. at the money yesterday if you haven't heard i went on my 1st diet when i was 13 they were very unbalanced diets either just eating bread. rolls or any eggs some on a diet or other and you go pretty fast results. and she'd lose 20 kilos but then gain them right back again repeatedly it's a problem many many people experience. most people put on weight again after losing it when if you look at a period of say 2 to 4 years then 70 or even 90 percent gain back weight they lost that's the yo yo effect. but why does it happen. it's something that nutrition scientist andreas 5 for once to get to the bottom of this is the key question is why people put weight back on. studies show that it's easy to lose weight fast but it piles back on again afterwards just as fast we bounce right back to where we were before try it looks like our bodies trying to defend the highest weight they haven't reached. the spare tires aren't too long and returning. to the body doesn't know what's good for it things f