If your 14(girl) and weigh about 110 pounds, is that healthy?

How tall are you?

Being 14 means your body is still growing and

I would not be to concerned about your weight

Height and Weight Chart - height weight chart, weight height chart (http://www.healthchecksystems.com/heightweightchart.htm)

Height to Weight Ratio Chart (http://www.disabled-world.com/artman/publish/height_weight.shtml)

Eat right -- exercise -- snack healthy

I am about 5 feet 4 inches

Well, that's not really overweight. I weight 109 pounds, I'm 1m70cm. I am considered underweight by my classmate. I'm 17 though

"14 year old (female) child who is 110.0 pounds and 5 feet and 4 inches tall, has a body mass index of 18.9, which is at the 43.9th percentile and is considered to be a healthy weight"
Your Child's BMI Predictor Results - Keep Kids Healthy (http://www.keepkidshealthy.com/welcome/bmi_results.html?years=14&months=0&gender=2&feet=5&inches=4&inches_percent=0&pounds_100=NaN&pounds_10=NaN&pounds=NaN&pounds_percent=NaN&start=1&pounds_100=100&pounds_10=10&po
unds=0&pounds_percent=0&page=6)

There you go perfectly normal! You have to use child BMI charts because the adult one won't be relevant until you are about 20.