A healthy diet is essential if you want to lose weight. One slimmer took to TikTok to reveal the eating habit she stopped to see major results. Liza (@lizamarie_fit on TikTok) credited her 100lb (7st 2lb) weight loss journey to walking and cutting out fast food. The slimmer revealed that overall she has managed to lose 140lb (10st). The first 7st 2lb she managed to do “before even getting into a gym”. Liza explained that the “number one” way she lost weight was by upping her step count and going for daily walks. She combined this with “cutting out fast food”. Fast food is defined as easily pre…