Why might someone choose to use a treadmill with a monitoring device?

to track heart rate
to play music
to stay entertained
to run faster

Which is the link between heredity and tobacco addiction

Andra has a family history of osteoporosis. her doctor advises her to eat foods rich in calcium. which foods should she add to her diet? a. fruits, especially grapes and berries b. unsaturated fats like olive and soybean oil c. beet greens, broccoli, and cheese

Not type of personal health monitor can calculate the number of calories a person burns. true or false?