High blood calcium (hypercalcemia) is a condition of too much calcium in your blood.igh blood calcium (hypercalcemia) is a condition of too much calcium in your blood.
Hiding and revealing your Facebook presence is easy, requiring only a few clicks. Sign in to your Facebook account and click the Chat box in the lower-right corner of any page. Click Options and select Go Offline to hide your name from Friends On Chat lists.ou can see a list of your available friends in two spots. The Friends On Chat list appears in the left column of your homepage, and the Chat box is in the lower-right corner of all pages.
Permanent Deletion. 1  1. Log in to Facebook. 2  2. Save any data you need. 3  3. Clear your Facebook history if desired.  4. Visit the Delete Account 1  page. 5. Enter your password and complete the CAPTCHA.  6. Wait 14 1  days. 7. Understand that personal messages can't be deleted.