diets and dieting

veggie

▪ I. veg·gie [veggie veggies]   [ˈvedʒi]    [ˈvedʒi]  noun (informal)
1. (BrE) =  vegetarian

• He's turned veggie (= become a vegetarian ).

2. (especially NAmE) =  vegetable  
Word Origin:

1970s: abbreviation.

calorie

cal·orie [calorie calories]   [ˈkæləri]    [ˈkæləri]  noun
1. a unit for measuring how much energy food will produce
• A fried egg contains about 100 calories— about the same as you would burn off if you ran a mile.
• No sugar for me, thanks— I'm counting my calories.

• a low-calorie drink/diet

2. (technical) a unit for measuring a quantity of heat; the amount of heat needed to raise the temperature of a gram of water by one degree Celsius 
Word Origin:
mid 19th cent.: from French, from Latin calor ‘heat’ + French suffix -ie (see -y).  
Collocations:
Diet and exercise
Weight
put on/gain/lose weight/a few kilos/a few pounds
watch/control/struggle with your weight
be/become seriously overweight/underweight
be/become clinically/morbidly obese
achieve/facilitate/promote/stimulate weight loss
slim down to 70 kilos/(BrE) 11 stone/(especially NAmE) 160 pounds
combat/prevent/tackle/treat obesity
develop/have/suffer from/struggle with/recover from anorexia/bulimia/an eating disorder
be on/go on/follow a crash/strict diet
have/suffer from a negative/poor body image
have/develop a positive/healthy body image
Healthy eating
eat a balanced diet/healthily/sensibly
get/provide/receive adequate/proper nutrition
contain/get/provide essential nutrients/vitamins/minerals
be high/low in calories/fat/fibre/(especially US) fiber/protein/vitamin D/Omega-3 fatty acids
contain (no)/use/be full of/be free from additives/chemical preservatives/artificial sweeteners
avoid/cut down on/cut out alcohol/caffeine/fatty foods
stop/give up/ (especially NAmE) quit smoking
Exercise
(BrE) take regular exercise
do moderate/strenuous/vigorous exercise
play football/hockey/tennis
go cycling/jogging/running
go to/visit/ (especially NAmE) hit/work out at the gym
strengthen/tone/train your stomach muscles
contract/relax/stretch/use/work your lower-body muscles
build (up)/gain muscle
improve/increase your stamina/energy levels/physical fitness
burn/consume/expend calories
Staying healthy
be/get/keep/stay healthy/in shape/(especially BrE) fit
lower your cholesterol/blood pressure
boost/stimulate/strengthen your immune system
prevent/reduce the risk of heart disease/high blood pressure/diabetes/osteoporosis
reduce/relieve/manage/combat stress
enhance/promote relaxation/physical and mental well-being 
Example Bank:
• Fruit is relatively low in calories.
• I don't count calories, but I am careful about what I eat.
• I'm trying to watch my calories at the moment.
• Mile per mile you get the same calorie burn from walking as from running.
• Some people count calories all their lives.
• Sweets and biscuits have a lot of empty calories in them.
• Try to reduce the percentage of fat calories in your diet.
• Vegetables are relatively low in calories.
• You need to exercise more to burn off the calories.
• a calorie-restricted diet
• a low calorie drink

• foods with a high calorie content