How often you should have cervical cancer screening and which tests you should have depend on your age and health history: Women aged 21â29 years should have a Pap test alone every 3 years.
While caffeine has long been used as an appetite suppressant, in this study it was decaffeinated coffee that resulted in significantly lower hunger levels and higher plasma levels of PYY than placebo (plain water) and the other caffeinated beverages. More PYY means less hunger.
The effects of caffeine on cognition are mediated primarily by blockade of the A1R, and antagonists of A1Rs enhance induction and stability of long-term potentiation (LTP) in hippocampal CA1 (refs. 1,2). A1Rs, however, are most highly enriched in CA2 (ref.