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.
A recent study indicated that the average vegan diet is higher in vitamin C and fibre, and lower in saturated fat than one containing meat. In addition, statistics show that vegans have a lower BMI (height-to-weight ratio) than meat eaters â in other words, they are skinnier.