Low-carbohydrate diets or low-carb diets are dietary programs that restrict carbohydrate consumption primarily for weight control. Foods high in digestible carbohydrates are limited or replaced with foods containing a higher percentage of proteins and fats.

Many popular diet plans are based on changing the proportion of carbohydrates, proteins, and fats one ingests as a method to promote weight loss. There has been some controversy regarding the effectiveness of these diets, but a new study could shed light on potential mechanisms by which various diets promote weight loss.

The Hills starlet Lauren Conrad has lost 10 pounds and toned up with a new diet and exercise plan, according to In-Touch Weekly. Her diet consists of 3 high protein meals a day and 3 healthy snacks.

The best weight loss plans are all high in fruit, vegetables and fiber, and low in artery-clogging types of fat. The worst is the high-protein, low-carb Atkins plan."Obese people already have a higher risk of heart disease," explained Dr. Yunsheng Ma. "So it's particularly important that they make heart-healthy diet changes that can be kept up."

Are you finding it a problem to keep the proportion of protein in your diet high enough?Are you struggling to follow a “Carb Restricted” diet plan as part of your weight loss program?

Middle-aged women who adopt low-carbohydrate diets and increase their intake of proteins as proposed in the Atkins plan may risk premature death due to cardiovascular disease, a new survey said.