30 May, 2012. Yahoo! does not offer the feature to connect to Yahoo! Mail via the Exchange option on the iPhone. The only option you have is to use the route provided: set-up a Yahoo! Mail account which uses IMAP. IMAP is supposed to notify that a new email message has arrived.
1 Changes in the way the nervous system processes the sensation of taste. This may cause a decline in the awareness of taste. 2  A decreased amount of saliva or an increased stickiness of saliva.  Changes in the tongue, making it harder for flavors to reach the taste buds.
A thyroid disease and psoriosis can also cause dryness of the lips. Perleche, or angular cheilitis, can cause dryness around the mouth as can diabetes. Those with Downâs syndrome commonly have dry, chapped lips as do those with actinic cheilitis, which is caused from too much sun exposure.