What is calories ?
A calorie is a unit of energy. Historically, scientists have defined "calorie" to mean a unit of energy or heat that could come from a variety of sources, such as coal or gas.

How many calories people should eat everyday ?

women 1,200 calories to ensure that they’re getting a balance of major nutrients and micronutrients

The physic of calories?

Low calories diet & very low calories diet

There’s conventional wisdom that men shouldn’t eat fewer than 1,500 calories

in terms of joules

amount of heat needed to raise the temperature of 1 kilogram of water from 0 to 1 degree Celsius.

units typically used by physicists to describe the amount of work needed to force one newton through one meter.

What are empty calories?

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What a low calories food ?

Fruits and especially vegetables are usually relatively low in calories

Empty calories contain few to no nutrients.

high calories food

low calories food

low amount of calories relatives to their serving size

high amount of calories relative to their serving size

olive oil (119 calories per table spoon )

dark chocolate ( 648 calories )

2 cup of shieddes romain leffuce

broccoli 15 calories

nuts ( 828 calories per cut of peanuts )

celery 10 calories

spinach 16 calories