hello. the simple rule for weight loss is than you should burn more calories than you take. depending upon which cardio exercise you are talking about if you calorie expenditure is more than 300cal/day you will lose weight. most cardio exercises burn more than 300cal/day. for example the step aerobics burn about 400 calories in 30 minutes. regards this post is for the purpose of providing medical information and is not a substitute for a face-to-face consultation with a doctor. this post is not intended to give or rule out a diagnosis create a doctor-patient relationship or replace an existing one.
i've heard the controversy and i want an educated opinion on whether having a 300calorie a day diet with about 30 minutes of cardio a day would allow me to lose weight.