Nitroglycerine patches protect people who suffer from angina.

For example, many people have tried nitroglycerine patches that contain nitric oxide to help achieve erection.

His blood pressure is fine, but she soon discovers a problem with the nitroglycerine patches Mr.VanDeusen wears to prevent angina.

Like other participants in the trial, Dr. Hott had experienced years of angina, or chest pain, that required her to wear nitroglycerine patches and to take medications.

"But I didn't suspect anything until I didn't have any more angina, and I didn't need the nitroglycerine patch or any pills," she said.