Average weight gain per week for mice fed a high fat versus control diet.

<p>C57BL6/J mice at 6 weeks of age and weight matched were fed, <i>ad libitum</i>, a control (5.5% fat/weight) or high fat (21.2% fat/weight) diet for 22 weeks. 12 animals in each group were weighed weekly and mean (+/−SD) weight gain per group was graphed versus time. *p = 0.001.