It takes about two days to get a cold after exposure to the virus. In this video, Larry Gooss, DO, a family practice doctor at Chippenham & Johnston-Willis Hospitals, explains how virus can continue to live on surfaces.
A RealAge answered. To prevent vitamin C deficiency, government guidelines recommend a daily dose of 90 milligrams (mg) for men, 75 mg for women. We recommend that you get 1,200 mg of vitamin C per day from food and supplements. This higher amount not only prevents deficiency but also helps prevent disease and needless aging.
Vitamin C is a water-soluble vitamin also needed in our diet. It aids the synthesis of collagen, which helps the maintenance of blood vessels and tissue. It helps the blood vessels become sturdier and can help reduce bruising. The USDA recommended dietary allowance for men is 90 mg/day and 75 mg/day for women.