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.
It is also important to differentiate if the taste is truly salty, or if it is more metallic in nature. A metallic taste is usually caused by bleeding in the mouth or as a side effect of a medication. A salty taste on the lips, and in the mouth can have a wide range of causes, some very common, some very rare.