The other disadvantage of progestogen is that it may negate some of the advantages of oestrogen in preventing disease of the arteries. Oestrogen appears to reduce fats and cholesterols that circulate in the blood, and progestogen may increase them. So, as long as you need to take progestogen, you might not be getting the lowered [...]
Endometrial resection and ablation were introduced in the late 1970s in the US and are now routine procedures in many hospitals. Many tens of thousands of the procedures are performed worldwide each year. The speed with which the techniques have been taken up by medicine has surprised and shocked many people who say that fundamental [...]
But everyone seems to know that they have slept, even though there is a blank in the memory during NREM sleep. How do we know that we have slept? We depend on two cues: * Dreams, which are an inside cue * The clock, which is an outside cue When we wake from our dreams, [...]