Anovulatory cycles are a symptom and not a disease. Polycystic ovary syndrome, pituitary microadenoma, impaired GnRH release, and hypothyroidism are common etiologies for anovulation and should be excluded. Patients can present with amenorrhea which needs etiology-specific treatment or with acute dysfunctional uterine bleeding which might need emergency treatment. Emergency treatment can be eit...

Adaptation to interval normobaric hypoxia has been demonstrated to provide beneficial results in a wide spectrum of diseases and health-related conditions including: primary hypercholesterolemia, essential hypertension, ischemic heart disease (stable angina of effort and rehabilitation after myocardial infarction), neurocirculatory asthenia, idiopathic stress disorders of cardiac rhythm, bronch...