Daily fiber intake plays a big role in weight loss. Fiber swells in the stomach, & provides bulk to foods; keeping you full for longer.

What is magnesium deficiency? Magnesium plays a crucial role in metabolism by breaking down the food you eat to provide your body with energy.

Vitamin C deficiency causes scurvy. Your genes can also influence how effectively vitamin C is absorbed and used by the body.

Vitamin B12 is crucial for preventing megaloblastic anemia, a blood condition that makes people tired and weak.

How much vitamin D do you need? The worldwide prevalence of vitamin D deficiency is very high, as high as 50%.

Sugar and dopamine have a genetic link. Sweet receptors are known to trigger the release dopamine via "reward centers" in the brain.