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.
The Step Diet: What You Can Eat. The Step Diet lets you eat whatever you like, as long as you cut back your usual portion size by about 25%. Then balance your daily intake with plenty of steps, starting at 2,000 and working your way up to 10,000 per day.