I have these sings in my body Depression,weakness,caugh,tireness,rashes in my skin,headach,I have a bad taste in my mouth and white spot in my tongue . Can you tel me what it will be ? What kind of diseases is this ?

You could have a zinc and vitamin B deficiency among other vitamin and mineral deficiencies. You might want to try Mineral Rich.
It could also be a number of things besides

Diagnose-Me: Condition: Zinc Requirement (http://www.diagnose-me.com/cond/C76343.html)

Do you need more? - Vox (http://dogwoman.vox.com/library/post/do-you-need-more.html)