8 tips to feel healthier in one week 1 DO: Drink lots of water. ... 2 DON'T: Go on a juice cleanse. ... 3 DO: Cut back on sodium. ... 4 DON'T: Start banning foods. ... 5 DO: Fill up with fibre. ... 6 DON'T: Rely on powders and pills. ... 7 DON'T: Focus exclusively on calories. ... 8 DO: Think positive. Aug 7, 2017