Although millions of us love our fitness trackers,the popular devices may not help as much,with weight loss as we think._61_article on the Mayo Clinic News Network says that one in five_62_(American) wears a tracker,but most aren't seeing the hoped-for（期盼的）results.
"Having an activity tracker doesn't_63_(necessary) translate into 'I'm a more fit person,'"says Kathleen Zeratsky, clinicial dietician（营养师）at Mayo,"or it's going to lead to automatic weight loss.An activity tracker is just a_64_ (help) tool."
In the report,Zeratsky says that the trackers do help_65_(keep) people be more aware of the need to be active, but that isn't enough.You need to burn more calories than you're taking in,and for most of_66_(we),that means a change in eating habits.
"If you're trying to lose weight,you want to have a calorie decrease from your activity,"she says."You don't want to destroy that by,say,_67_(reward) yourself with more calories with a rich meal."_68_other words,don't slow your progress by eating too much.
Zeratsky acknowledges that exercise can lead to hunger.But,she says,"if your body says 'I'm hungry' while you _69_(have) more activity,well,then just choose to eat in a smart way_70_won't damage your weight-loss efforts."
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