A calorie deficit is the energy your body requires to maintain your current weight, minus your dietary calorie intake.
According to WebMD, if a person wants to begin a calorie deficit, a good rule of thumb for healthy weight loss is a deficit of around 500 calories per day.
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If done correctly, this could promote the loss of about one pound per week.
Letitia has been on our screens for years, since joining the show back in 1985.
Source: Daily Express | Diet
