Usually eat more antioxidant vitamin c b e, such as broccoli and tomatoes.

There are also nutritious honey, pollen and royal jelly.

The most useful ones are red dates, wolfberry longan, barley, black glutinous rice, black beans and soybeans.

Ear soup, eight-treasure porridge and siwu soup (very useful) and so on

Stay up late and eat less oxidants such as onions and carrots.

Eat more fruits and vegetables and less cold ones.