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.
Oily taste in mouth can be due to either eating oily and spicy food, it can be due to gastrointestinal reflux, or improper functioning of the liver. The other causes may include improper oral hygiene, bad dentures, drinking alcohol, smoking tobacco, thick coating on the tongue. Correcting these minor causes can decrease bad taste in the mouth.