Chronic migraine becomes “refractory” when preventive treatments don’t work to reduce the frequency of episodes. Treatment may include complementary therapies like neuromodulation. Migraine can often ...

The refractory period refers to the time after having an orgasm during which a person is not sexually responsive. It can last from a few minutes to more than a day. Strategies to improve ...

The refractory period occurs right after you reach your sexual climax. It refers to the time between an orgasm and when you feel ready to be sexually aroused again. It’s also called the “resolution” ...

Cardiac contractility modulation (CCM) is the application of nonexcitatory electrical signals to the myocardium, during the absolute refractory period of the action potential, to elicit a positive ...