Acclimation & testing periods
Ages Mice were between 7-10 wks old on the first day of testing Feed Ad libitum Water Ad libitum Housing 2 - 5 same-sex littermates were housed in clear plastic cages Bedding Standard corn cob-type Photoperiod 12/12 light/dark cycle with lights on at 6:00 hr Health status All experiments were performed in accordance with the National Institutes of Health guidelines for the care and use of laboratory animals and were approved by the Columbia University and Portland VA Medical Center's Institutional Animal Care and Use Committees.