In vertebrates, the immune system is considered the last line of defense against foreign invaders.It fights by destroying pathogens and tumor cells using mechanisms that constantly adapt to recognize and rid these disease causing cells.
Which is Better for Weight Loss? Some studies have found that low-carb diets are more effective for weight loss and fat loss than low-fat diets. A study published in 2014 in Annals of Internal Medicine showed that this was the case, even after a period of 12 months.
1 It's always better to be on the safe side.  Some research suggest low carb/high protein diets might not be the best health choice in the long run. However, a low carb diet has also now been shown to improve things like diabetes, hypoglycemia, acne, IBS and certain thyroid problems.