Vitamin C: What is the importance of vit. C in the human body?

Vitamins are important to the body. Vitamin C helps prevent colds Im sure that there are other reasons but that is the main reason that I hear.

Vitamin c helps you live longer.It helps protect against cancer,hear disease,stress,and it provides energy.It helps maintain a heatlthy immune system and it also help make the collagen protein in our joints,skin and bloodvessels

Vitamin C helps your body fights off infections and stuff. It does not let you get sick oftenly if you have enough of it in your system.

It has long been accepted that a diet rich in vitamin C from fruits and vegetables provides protection against cancer and heart disease. While 200 mg/day of vitamin C may be sufficient to maintain a reasonable health status. Large doses (1-2 g/day) of vitamin C have been found to reduce asthma symptoms significantly. Recent studies have shown that vitamin C concentrations in the blood from rheumatoid arthritis patients are extremely low and that vitamin C may protect against further damage to inflamed joints.