Kelly Brook advices 'plenty of sex' to fight cold

Kelly Brook has revealed that she has plenty of sex to stay healthy in winters.

The 33-year-old former girlfriend of Rugby star Danny Cipriani said that sex keeps her healthy and fit in winters, the Daily Star reported.

According to experts, having sex a couple of times a week has been linked with higher levels of immunoglobulin A, which helps the body tackle colds.