Help us make Medscape the best clinical resource possible. Please use this form to submit your questions or comments on how to make this resource center more useful to clinicians.

Steroid hormones control synthesis of a specific cell surface factor as well as the enzyme tyrosine aminotransferase in mammalian cells.

Purpose: Increased blood lactate concentration has been suggested as a primary stimulus for the exercise-induced growth hormone response (EIGR). Patients with McArdle disease are unable to produce ...

The kidneys could respond to these cardiovascular changes with a pressure-induced natriuresis (Singh ... Because ANP levels can be affected by arrhythmias, they excluded patients experiencing ...

A hormone test for women can reveal important information about your health. These tests can detect fertility problems, where you are in your menstrual cycle, or whether you're starting perimenopause.

Background: Although exercise stress testing (EST) has shown to unmask latent electrical substrates in PKP2-mediated arrhythmogenic cardiomyopathy (ACM), the prognostic role of EST-induced ventricular ...

A recent study has shed new light on the mechanisms of obesity-induced diabetes, revealing that stress hormones ... The researchers found that overeating triggers a rapid increase in norepinephrine, a ...

Arrhythmia means the heart beats, but not in proper time—a critical rhythm of life suddenly going rogue and unpredictable. It’s frightening to experience, but what if it’s also a good ...

At the Philadelphia Veterans Administration Hospital frequent, persistent and troublesome arrhythmias have been encountered in patients with chronic pulmonary disease. This observation prompted us ...

Chemo-induced anemia isn’t something we hear about as often as, say, hair loss, but it is a very common and undertreated side effect of chemotherapy. Anemia can result in fatigue and lightheadedness ...

Hormone therapy (also called hormonal therapy or endocrine therapy) slows or stops the growth of hormone-sensitive tumors by blocking the body’s ability to produce hormones or by interfering ...