Our human body needs a long list of nutrients including vitamins minerals proteins and carbohydrates every day to function properly. The deficiency of these nutrients can lead to a variety of health problems. For example vitamin D is essential for maintaining healthy bones and teeth as well as to keep your immune system strong. Low levels of vitamin D have been associated with numerous health problems including diabetes pain in your muscles and bones high blood pressure multiple sclerosis and even some types of cancer. Now a new study has revealed that deficiency of this nutrient can lead to obesity.