In numerous studies, tea drinking has been found to protect against chronic diseases such as cancer, heart disease, and now even osteoporosis.

And, it does not protect you against sexually transmitted diseases.

There is also some scientific concern that extended spaceflight might slow down the body's ability to protect itself against diseases.

Of course, Plan B does not protect against sexually transmitted diseases.

Research suggests this can help to protect against cancer, obesity and various chronic diseases such as heart disease.

When dealing with floodwaters, it is important for people to protect themselves against mosquito-borne diseases.

Q: Which forms of birth control protect against sexually transmitted diseases?

Even protects against most diseases and promotes healin', he said.

Some will do it because they've heard condoms can protect against sexually transmitted diseases.

Protect against chronic diseases, such as cancer and heart disease.